Evolution and molecular characteristics of SARS-CoV-2 1
genome 2
Yunmeng Bai1#, Dawei Jiang1#, Jerome R Lon1#, Xiaoshi Chen1, Meiling Hu1, Shudai 3
Lin1, Zixi Chen1, Xiaoning Wang1,2, Yuhuan Meng3*, Hongli Du1* 4
1School of Biology and Biological Engineering, South China University of Technology, 5
Guangzhou 510006, China 6
2State Clinic Center of Gearitic, Chinese PLA General Hospital, Beijing 100853, 7
China 8
3Guangzhou KingMed Transformative Medicine Institute Co., Ltd, Guangzhou 9
510330, China 10
# Equal contribution. 11
* Corresponding authors. 12
E-mail: [email protected](Du HL), [email protected](Meng YH) 13
14
There are 6 figures, 4 tables, 4 supplementary figures and 6 supplementary tables. 15
16
Abstract 17
In the evolution analysis of 622 or 3624 complete SARS-CoV-2 genomes, the 18
estimated Ka/Ks ratio is 1.008 or 1.094, which is higher than that of SARS-CoV and 19
MERS-CoV, and the time to the most recent common ancestor (tMRCA) is inferred in 20
late September 2019, indicating that SARS-CoV-2 may have completed positive 21
selection pressure of the cross-host evolution in the early stage. Further we find 9 key 22
specific sites of highly linkage which play a decisive role in the classification of 23
SARS-CoV-2. Notably the frequencies of haplotype TTTG and H1 are generally high 24
in European countries and correlated to death rate (r>0.37) based on 3624 or 16373 25
SARS-CoV-2 genomes, which indicated that the haplotypes might be related to 26
pathogenicity of SARS-CoV-2. The development trends in chronological order and 27
Ka/Ks ratio of each major haplotype subgroup showed the four major haplotype 28
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subgroups were going through different evolution patterns, the H3 haplotype 29
subgroup was going through a purifying evolution and almost disappeared after 30
detection, while H1 haplotype subgroup was going through a neutral evolution and 31
globally increased with time. The evolution and molecular characteristics of more 32
than 16000 genomic sequences provided a new perspective for revealing 33
epidemiology of SARS-CoV-2 and coping with SARS-CoV-2 effectively. 34
KEYWORDS: SARS-CoV-2; evolution; classification; haplotype 35
36
Introduction 37
The global outbreak of SARS-CoV-2 is currently and increasingly recognized as a 38
serious, public health concern worldwide. To date, a total of seven types of 39
coronaviruses that can infect humans have been found, among which the more typical 40
ones are SARS-CoV, MERS-CoV and SARS-CoV-2. They spread across species and 41
usually cause mild to severe respiratory diseases. The total number of SARS-CoV and 42
MERS-CoV infections are only 8,069 and 2,494 with reproduction number (R0) 43
fluctuates 2.5-3.9 and 0.3-0.8, respectively. However, SARS-CoV-2 has infected 44
2471136 people in 212 countries up to April 22th(1), with the basic R0 ranging from 45
1.4 to 6.49(2). Among these three typical coronavirus, MERS-CoV has the highest 46
death rate of 34.40%, SARS-CoV has the modest death rate of 9.59%, SARS-CoV-2 47
is about 6.99% and 7.69% death rate of the global and Wuhan, but is quite high death 48
rate in some countries of Europe, such as Belgium, Italy, United Kingdom, 49
Netherlands, Spain and France, which even reaches 14.95%, 13.39%, 13.48%, 50
11.61%, 10.42% and 13.60% respectively according to the data of April 22th, 2020. 51
Except for the shortage of medical supplies, aging and other factors, it is not clear 52
whether there is virus mutation effect in these countries with such a significantly 53
increased death rate. 54
It has been reported that SARS-CoV-2 belongs to beta-coronavirus and is mainly 55
transmitted by the respiratory tract, which belongs to the same subgenus 56
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(SarbeCoVirus) as SARS-CoV(3). Through analyzing the genome and structure of 57
SARS-CoV-2, its receptor-binding domain (RBD) was found to bind with 58
angiotensin-converting enzyme 2 (ACE2), which is also one of the receptors for 59
binding SARS-CoV(4). Some early genomic studies have shown that SARS-CoV-2 is 60
similar to certain bat viruses (RaTG13, with the whole genome homology of 96.2%(5)) 61
and Malayan pangolins coronaviruses (GD/P1L and GDP2S, with the whole genome 62
homology of 92.4%(6)). They have speculated several possible origins of 63
SARS-CoV-2 based on its spike protein characteristics (cleavage sites or the 64
RBD)(5-7), in particular, SARS-CoV-2 exhibits 97.4% amino acid similarity to the 65
Guangdong pangolin coronaviruses in RBD, even though it is most closely related to 66
bat coronavirus RaTG13 at the whole genome level. However, it is not enough to 67
present genome-wide evolution by a single gene or local evolution of RBD, whether 68
bats or pangolins play an important role in the zoonotic origin of SARS-CoV-2 69
remains uncertain(8). Furthermore, since there is little molecular characteristics 70
analysis of SARS-CoV-2 based on a large number of genomes, it is difficult to 71
determine whether the virus has significant variation that affects its phenotype. 72
Thereby, it is necessary to further reveal the phylogenetic evolution and molecular 73
characteristics of the whole genome of SARS-CoV-2 in order to develop a 74
comprehensive understanding of the virus and provide a basis for designing vaccines 75
and antiviral treatment strategies. Fortunately, with the increase of SARS-CoV-2 76
genome data, we have an opportunity to reveal phylogenetic evolution and molecular 77
characteristics of SARS-CoV-2 more comprehensively. In this study, the Ka/Ks ratio, 78
substitution rate and the time to the most recent common ancestor (tMRCA) of 79
SARS-CoV-2, SARS-CoV and MERS-CoV were analyzed using KaKs_Calculator 80
and BEAST, and then 622 SARS-CoV-2 genome sequences with high quality were 81
clustered using maximum likelihood (ML) with bootstrap of 100 to ensure the 82
reliability of evolutionary trees. According to the clusters of phylogenetic trees, the 83
characteristic mutations of SARS-CoV-2 were screened and their potential 84
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significance were explored. The results of this study will provide a landscape for us to 85
further understand SARS-CoV-2, and supply a possible basis for the prevention and 86
treatment of SARS-CoV-2 in different areas. 87
Results 88
Genome sequences 89
We got a total of 1053 genomic sequences up to March 22th, 2020. According to the 90
filter criteria, 37 sequences with ambiguous time, 314 with low quality and 78 with 91
similarity of 100% were removed. A total of 624 sequences were obtained to perform 92
multiple sequences alignment. Two highly divergent sequences (EPI_ ISL_414690, 93
EPI_ISL_415710) according to the firstly constructed phylogenetic tree were also 94
filtered out (Table S1). The remaining 622 sequences were used to reconstruct a 95
phylogenetic tree. In addition, total of 3624 and 16373 genomic sequences were 96
redownloaded up to April 6th, 2020 and May 10th, 2020 respectively for further 97
exploring the evolution and molecular characteristics of SARS-CoV-2. 98
Estimate of evolution rate and the time to the most recent common ancestor for 99
SARS-CoV, MERS-CoV, and SARS-CoV-2 100
In this study, date for SARS-CoV-2 ranged from 2019/12/26 to 2020/03/18 was 101
collected. The average Ka/Ks of all the coding sequences was closer to 1 (1.008), 102
which indicating the genome was going through a neutral evolution. We also 103
reevaluated the Ka/Ks of SARS-CoV and MERS-CoV through the whole period, and 104
found the ratio were smaller than SARS-CoV-2 (Table 1). To estimate more credible 105
Ka/Ks for SARS-CoV-2, we recalculated it using redownloaded 3624 genome 106
sequences ranged from 2019/12/26 to 2020/04/06, and the average Ka/Ks of it was 107
1.094 (Table 1), which was almost same with the above result. 108
We assessed the temporal signal using TempEst v1.5.3(9). All three datasets 109
exhibit a positive correlation between root-to-tip divergence and sample collecting 110
time (Figure S1), hence they are suitable for molecular clock analysis in BEAST(9, 111
10). The substitution rate of SARS-CoV-2 genome was estimated to be 1.601 x 10-3 112
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(95% CI: 1.418 x 10-3 - 1.796 x 10-3, Table 2, Figure S2A) substitution/site/year, 113
which is as in the same order of magnitude as SARS-CoV and MERS-CoV. The 114
tMRCA was inferred on the late September, 2019 (95% CI: 2019/08/28- 115
2019/10/26,Table 2, Figure S2B), about 2 months before the early cases of 116
SARS-CoV-2(11). 117
Phylogenetic tree and clusters of SARS-CoV-2 118
The no-root phylogenetic trees constructed by the maximum likelihood method with 119
PhyML 3.1(12) and MEGA(13) were showed in Figure 1, Figure S3A and 3B. 120
According to the shape of phylogenetic trees, we divided 622 sequences into three 121
clusters: Cluster 1 including 76 sequences mainly from North America, Cluster 2 122
including 367 sequences from all regions of the world, and Cluster 3 including 179 123
sequences mainly from Europe (Table S2). 124
The specific sites of each Cluster 125
The Fst and population frequency of a total of 9 sites (NC_045512.2 as reference 126
genome) were detected (Table 3, Table S3). Thereinto, three (C17747T, A17858G and 127
C18060T) are the specific sites of Cluster 1, and four (C241T, C3037T, C14408T and 128
A23403G) are the specific sites of Cluster 3. Notably, C241T was located in the 129
5’-UTR region and the others were located in coding regions (6 in ofr1ab gene, 1 in S 130
gene and 1 in ORF8 gene). Five of them were missense variant, including C14408T, 131
C17747T and A17858G in ofr1ab gene, A23403G in S gene, and C28144T in ORF8 132
gene. The PCA results showed that these 9 specific sites could clearly separate the 133
three Clusters, while all SNV dataset could not clearly separate Cluster 1 and Cluster 134
2 (Figure S4), which further suggested that these 9 specific sites are the key sites for 135
separating the three Clusters. 136
Linkage of specific sites 137
We found the 9 specific sites are highly linkage based on 622 genome sequences 138
(Figure 2A), then we carried out a further linkage analysis using the 3624 genome 139
sequences (Figure 2B). As a result, for the 3624 genome sequences, 3 specific sites in 140
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the Cluster 1 were almost complete linkage, and haplotype CAC and TGT accounted 141
for 98.65% of all the 3 site haplotypes. The same phenomenon was also found in 4 142
specific sites of Cluster 3, and haplotype CCCA and TTTG accounted for 97.68% of 143
all the 4 site haplotypes. Intriguingly, the 9 specific sites were still highly linkage, and 144
four haplotypes, including TTCTCACGT (H1), CCCCCACAT (H2), CCTCTGTAC 145
(H3) and CCTCCACAC (H4), accounted for 95.89% of all the 9 site haplotypes. 146
Thereinto, H1 and H3 had completely different bases at the 9 specific sites. The 147
frequencies of each site and major haplotype for each country were showed in Figure 148
3 and Table S4. The data showed that the haplotype TTTG of the 4 specific sites in 149
Cluster 3 had existed globally at present, and still exhibited high frequencies in most 150
European countries but quite low in Asian countries. While the haplotype TGT of the 151
3 specific sites in Cluster 1 existed almost only in North America and Australia. For 152
the 9 specific sites, most countries had only two or three major haplotypes, except 153
America and Australia had all of four major haplotypes with higher frequency. 154
Characteristics of major haplotype subgroups 155
All haplotypes of 9 specific sites for 3624 or 16373 genomes and the numbers of them 156
were shown in Table S5. Four major haplotypes H1, H2, H3 and H4, three minor 157
haplotypes H5, H7 and H8 close to H1 and one minor haplotype H6 close to H3 were 158
found in both datasets. The numbers of these haplotypes for 16373 genomes with 159
clear collection data detected in each country in chronological order were shown in 160
Figure 4A. From these results, H2 and H4 haplotype subgroups had existed for a long 161
time (2019-12-24 to 2020-04-28), and the H3 haplotype subgroup almost disappeared 162
after detection (2020-02-18 to 2020-04-28), while H1 haplotype subgroup was 163
globally increasing with time (2020-02-18 to 2020-05-05), which indicated H1 164
subgroup had adapted to the human hosts, and was under an adaptive growth period 165
worldwide. However, due to the nonrandom sampling on early phase (only patients 166
having a recent travel to Wuhan were detected), some earlier cases of H3 may be lost, 167
the high proportion of H3 subgroup during February 18 to March 10 could confirm 168
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this point. 169
H3 and H4 subgroups had the lowest Ka/Ks ratio in 3624 or 16373 genomes among 170
the 4 major subgroups (Table 4), suggesting that H3 and H4 subgroup might be going 171
through a purifying evolution and have existed for a long time, while H2 and H1 172
subgroup might be going through a positive selection and a neutral evolution 173
respectively according to their Ka/Ks ratios (Table 4), which were consistent with the 174
above phenomenon that only H1 subgroup was expanding with time around the world. 175
From the whole genome mutations in each major haplotype subgroup (Figure 4B, 176
Table S6), we found that except the 9 specific sites, there was no common mutations 177
with frequencies more than 0.05 in these haplotype subgroups but between H2 and H4 178
subgroups. 179
Phylogenetic network of haplotype subgroups 180
Phylogenetic networks were inferred with 697 mutations called from 3624 genomes 181
dataset. For these datasets, the network structures of TCS and MSN were similar. The 182
major haplotype subgroups H4 and H2 were in the middle of the network, while H1 183
and H3 were in the end nodes of the network (Figure 5). According to the 184
phylogenetic networks, we proposed four hypothesis: (1) the ancestral haplotypes 185
evolved in four directions to obtain H1, H2, H3 and H4 respectively or evolved in two 186
or more directions to obtain two or more major haplotypes and then involved into the 187
other major haplotype(s); (2) H2 or H4 evolved in two directions respectively and 188
finally generated H1 and H3; (3) H1 evolved in one direction to generate H2 and H4, 189
and then evolved into H3; (4) H3 evolved in one direction to generate H4 and H2, and 190
then evolved into H1. Although we cannot exclude the first hypothesis based on the 191
present data, but if there are evolutionary transformation relationships between the 192
four major haplotypes, according to the Ka/Ks, population size and development trend 193
in chronological order of each major haplotype subgroup, we speculate that the most 194
likely transformation hypothesis is that H3 is the ancestral haplotype, which is 195
gradually eliminated with selection, while H4 and H2 is the transitional haplotype in 196
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the evolution process, and H1 may be the haplotype to be finally fixed. 197
Correlation analysis of specific sites with death rate 198
To explore the relationship between death rate and the 9 specific sites, we used 199
Pearson method to calculate the correlation coefficient between death rate and 200
frequency of each specific site or major haplotype in 17 countries with 3624 genomes 201
at early stage. As a result, all r values of 241T, 3037T, 14408T, 23403G and haplotype 202
TTTG and H1 were more than 0.4 (Figure 6, Table S4). We also evaluated the 203
correlation coefficient with 16373 genomes in 30 countries, the r values of haplotype 204
TTTG and H1 were still more than 0.37 (Table S4), which might be increased when 205
the death rates of some countries were further stabilized with time. These finding 206
integrating their high frequencies in most European countries indicated that the 4 sites 207
and haplotype TTTG and H1 might be related to the pathogenicity of SARS-CoV-2. 208
209
Discussion 210
SARS-CoV-2 poses a great threat to the production, living and even survival of 211
human beings(14). With the further outbreak of SARS-CoV-2 in the world, further 212
understanding on the evolution and molecular characteristics of SARS-CoV-2 based 213
on a large number of genome sequences will help us cope better with the challenges 214
brought by SARS-CoV-2. In the present study, we estimated the Ka/Ks ratio and 215
tMRCA of SARS-CoV-2, SARS-CoV and MERS-CoV, and constructed the 216
phylogenetic tree of SARS-CoV-2 genomes. As a result, we found that 9 specific sites 217
of highly linkage could play a decisive role in the classification of SARS-CoV-2, and 218
the haplotype TTTG might be related to pathogenicity of SARS-CoV-2 based on more 219
than 16000 genomes. All these results could accelerate our further understanding of 220
SARS-CoV-2. 221
Exploring evolution rate, tMRCA and phylogenetic tree of SARS-CoV-2 would 222
help us better understand the virus(15). The average Ka/Ks for all the coding 223
sequences of 622 and 3624 SARS-CoV-2 genomes was 1.008 and 1.094, which was 224
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higher than those of SARS-CoV and MERS-CoV, indicating that the SARS-CoV-2 225
was going through a neutral evolution. In general, SARS-CoV would show purifying 226
selection pressures and the Ka/Ks would go down at the middle or end of the 227
epidemic(16). Therefore, it seemed to be reasonable considering that SARS-CoV-2 228
was under an exponential growth period around the world. Interestingly, we also 229
found that the subgroups of different haplotypes (H1, H2, H3 and H4) seemed to 230
experience different evolutionary patterns according to their Ka/Ks. The H3 haplotype 231
subgroup disappeared soon after detection (2020-02-18 to 2020-04-07, Figure 4A), 232
while H1 haplotype subgroup was globally increasing with time, these evolution and 233
changes should be considered in developing therapeutic drugs and vaccines as soon as 234
possible. The tMRCA of SARS-CoV-2 was inferred on the late September, 2019 (95% 235
CI: 2019/08/28- 2019/10/26), about 2 months before the early cases of 236
SARS-CoV-2(11). We also estimated tMRCA of SARS-CoV and MERS-CoV with 237
the same methods, both were about 3 months later than the corresponding tMRCAs 238
estimated by previous studied(17, 18), which indicated the tMRCA of SARS-CoV-2 239
we estimated was reasonable. A recent study used TreeDater method to estimate 240
tMRCA for more than 7000 SARS-CoV-2 genomes and indicated the tMRCA of 241
SARS-CoV-2 was around 6 October 2019 to 11 December 2019, which were about 242
one and a half months later than ours and in broad agreement with six previous 243
studies all performed on smaller subsets of the SARS-CoV-2 genomes with BEAST 244
method(19). While we used the most common method BEAST to estimate tMRCA of 245
SARS-CoV-2 based on 622 genomes, indicating that the estimated tMRCA are 246
reliable. 247
A recent study clustered 160 SARS-CoV-2 whole-genome sequences into A, B 248
and C groups by a phylogenetic network analysis(20). The cluster result was similar 249
to our study: both the samples in Cluster A and our Cluster 1 were mainly from the 250
United States; the samples in Cluster C and our Cluster 3 were mainly from European 251
countries, while Cluster B and our Cluster 2 were mainly from China and the other 252
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regions. It was interesting that the markers in Cluster B (T8782C and C28144T) were 253
also found in our study, but the other markers in Cluster A (T29095C) and Cluster C 254
(G26144T) were not significantly in our study. That may be caused by different 255
sample sizes and different constructing methods of phylogenetic tree. Based on the 256
base substitution model, the ML method avoids the possible "long-branch attraction" 257
problem in the maximum parsimony method and is faster than the Bayesian 258
method(21), hence it could be used as a reliable method for phylogenetic analysis. 259
Nowadays, there is still a shortage of studies on phylogenetic analysis of 260
SARS-CoV-2. Some studies used the genome of bat SARS-like-CoV(22), RaTG13(22) 261
or MT019529 from Wuhan (https://bigd.big.ac.cn/ncov/tree) as the root of 262
phylogenetic tree. Unfortunately, there was no obvious evidence showing that 263
SARS-CoV-2 was from the bat coronavirus even the identity between SARS-CoV-2 264
and RaTG13 was up to 96.2%(5). In our study, the tMRCA of SARS-CoV-2 was 265
inferred on the late September 2019, which indicated there might exist an earlier 266
SARS-CoV-2 strain we didn't find. Then in the case of unclear source of 267
SARS-CoV-2 and high homology of its genomes (> 99.9% homology mostly), it may 268
be inappropriate to identify the evolutionary characteristics inside the genomes by 269
taking bat SARS-like-CoV, RaTG13 or MT019529 as root. Therefore, the maximum 270
likelihood method was used in current study to construct a no-root tree to obtain the 271
reliable clusters with different characteristics. Based on the no-root tree, we identified 272
9 specific sites of highly linkage that play a decisive role in the classification of 273
clusters successfully. Among the four major haplotypes, H1 and H3 were in Cluster 3 274
and Cluster 1, respectively, while there were two haplotypes H2 and H4 in Cluster 2 275
(Figure 1, Figure S3B). 276
Among the 9 specific sites, 8 of them were located in coding regions (6 in ofr1ab 277
gene, 1 in S gene and 1 in ORF8 gene), and 5 of them were missense variant, 278
including C14408T, C17747T and A17858G in ofr1ab gene, A23403G in S gene, and 279
C28144T in ORF8 gene. Orf1ab is composed of two partially overlapping open 280
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reading frames (orf), orf1a and 1b. It is proteolytic cleaved into 16 non-structural 281
proteins (nsp), including nsp1 (suppress antiviral host response), nsp9 (RNA/DNA 282
binding activity), nsp12 (RNA-dependent RNA polymerase), nsp13 (helicase) and 283
others(23), indicating the vital role of it in transcription, replication, innate immune 284
response and virulence(24). C14408T with high frequencies of T in European 285
countries were located at nsp12 region, indicating that this missense variant might 286
influence the role of RNA polymerase. Spike glycoprotein, the largest structural 287
protein on the surface of coronaviruses, comprises of S1 and S2 subunits which 288
mediating binding the receptor on the host cell surface and fusing membranes, 289
respectively(25). It has been reported that S protein of SARS-CoV-2 can bind 290
angiotensin-converting enzyme 2 (ACE2) with higher affinity than that of SARS(4, 5). 291
Whether the missense variant of A23403G in S gene, which with high frequencies of 292
G in European countries, will change the affinity between S protein and ACE2 293
remains to be further investigated. 294
It seems to take a long time to fix mutations finally according to the mutation 295
frequency of each subgroup. For example, H2 and H4 subgroups, which have been 296
detected for more than four months from December 24, 2019 to May 5, 2020 (Figure 297
4A), have more mutations with higher frequencies, but the highest mutation frequency 298
is only 0.486 at the position of 11083 (Figure 4B, Table S6). From these phenomena, 299
it can be inferred that it takes a long time for the specific sites of each major subgroup 300
to be fixed, but it may be faster if the early population is small. In addition, there is 301
also the possibility that an ancestor strain evolved in four directions by obtaining the 302
specific mutations directly and produced the four current major haplotypes, so the 303
evolution time may be shorter, which seems to be consistent with the phenomenon 304
that four major haplotypes can be detected in two months (Figure 4A). However, if 305
there exist transformation evolution pattern among the major haplotypes of 306
SARS-CoV-2, it is difficult to complete the transformation among the four major 307
haplotypes within two months at the current evolution rate of each major haplotype 308
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population. Therefore, we speculate that the transformation between the four major 309
haplotypes may have been completed for a long time, which have not been detected. 310
Previous studies showed that the death rate of SARS-CoV-2 is affected by many 311
factors, such as medical supplies, aging, life style and other factors(26, 27). However, 312
our study found that the 4 specific sites (C241T, C3037T, C14408T and A23403G) in 313
the Cluster 3 were almost complete linkage, and the frequency of haplotype TTTG 314
was generally high in European countries and correlated to death rate (r>0.37) based 315
on 3624 or 16373 SARS-CoV-2 genomes, which provides a new perspective to the 316
reasons of relatively high death rate in Europe. In order to make frequency relatively 317
credible, we selected countries with more than 10 genomes (except South Korea with 318
16 genomes, all the other countries with more than 20 genomes) to analyze the 319
correlation between frequencies of haplotypes and death rate. Therefore, the 320
correlation between the frequencies of haplotypes and death rate obtained in this study 321
is quite reliable, and these specific sites should be considered in designing new 322
vaccine and drug development of SARS-CoV-2. 323
Conclusion and prospective 324
The Ka/Ks ratio of SARS-CoV-2 and tMRCA of SARS-CoV-2 (95% CI: 2019/08/28- 325
2019/10/26) indicated that SARS-CoV-2 might have completed the positive selection 326
pressure of cross-host evolution in the early stage and be going through a neutral 327
evolution at present. The 9 specific sites with highly linkage were found to play a 328
decisive role in the classification of clusters. Thereinto, 3 of them are the specific sites 329
of Cluster 1 mainly from North America and Australia, 4 of them are the specific sites 330
of Cluster 3 mainly from Europe in the early stage, both of these 3 and 4 specific sites 331
are almost complete linkage. The frequencies of haplotype TTTG for the 4 specific 332
sites and H1 for 9 specific sites were generally high in European countries and 333
correlated to death rate (r>0.37) based on 3624 or 16373 SARS-CoV-2 genomes, 334
which suggested these haplotypes might relate to pathogenicity of SARS-CoV-2 and 335
provided a new perspective to the reasons of relatively high death rates in Europe. 336
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The relationship between the haplotype TTTG or H1 and the pathogenicity of 337
SARS-CoV-2 needs to be further verified by clinical samples or virus virulence test 338
experiment, and the 9 specific sites with highly linkage may provide a starting point 339
for the traceability research of SARS-CoV-2. Given that the different evolution 340
patterns of different haplotypes subgroups, we should consider these evolution and 341
changes in the development of therapeutic drugs and vaccines as soon as possible. 342
343
Materials and methods 344
Genome sequences 345
The complete genome sequences of SARS-CoV-2 were downloaded from China 346
National Center for Bioinformation (https://bigd.big.ac.cn/ncov/release_genome/) and 347
GISAID (https://www.gisaid.org/) up to March 22th, 2020. The sequences were 348
filtered out according to the following criteria: (1) sequences with ambiguous time; (2) 349
sequences with low quality which contained the counts of unknown bases > 15 and 350
degenerate bases > 50 (https://bigd.big.ac.cn/ncov/release_genome); (3) sequences 351
with similarity of 100% were removed to unique one. Finally, 624 high quality 352
genomes with precise collection time were selected and aligned using MAFFT v7 353
with automatic parameters. Besides, the genome sequences of 7 SARS-CoV and 475 354
MERS-CoV were also downloaded from NCBI (https://www.ncbi.nlm.nih.gov/), and 355
the MERS-CoV dataset including samples collected from both human and camel. In 356
addition, for further exploring evolution and molecular characteristics of 357
SARS-CoV-2 based on the larger amount of genomic data, we redownloaded 358
validation datasets of the genome sequences from GISAID up to April 6th, 2020 and 359
May 10th, 2020 respectively. 360
Estimate of evolution rate and the time to the most recent common ancestor for 361
SARS-CoV, MERS-CoV, and SARS-CoV-2 362
The average Ka, Ks and Ka/Ks for all coding sequences were calculated using 363
KaKs_Calculator v1.2(28), and the substitution rate and tMRCA were estimated using 364
.CC-BY-NC-ND 4.0 International licensewas not certified by peer review) is the author/funder. It is made available under aThe copyright holder for this preprint (whichthis version posted May 15, 2020. . https://doi.org/10.1101/2020.04.24.058933doi: bioRxiv preprint
BEAST v2.6.2(10). The temporal signal with root-to-tip divergence was visualized in 365
TempEst v1.5.3(9) using a ML whole genome tree with bootstrap value as input. For 366
SARS-CoV and SARS-CoV-2, we selected a strict molecular clock and Coalescent 367
Exponential Population Model. For MERS-CoV, we selected a relaxed molecular 368
clock and Birth Death Skyline Serial Cond Root Model. We used the tip dates and 369
chose the HKY as the site substitution model in all these analyses. Markov Chain 370
Monte Carlo (MCMC) chain length was set to 10,000,000 steps sampling after every 371
1000 steps. The output was examined in Tracer v1.6 372
(http://tree.bio.ed.ac.uk/software/tracer/). 373
Variants calling of SARS-CoV-2 genome sequences 374
Each genome sequence was aligned to the Wuhan-Hu-1 reference genome 375
(NC_045512.2) using bowtie2 with default parameters(29), and variants were called 376
by samtools (sort; mpileup -gf) and bcftoots (call -vm). The merge VCF files were 377
created by bgzip and bcftools (merge --missing-to-ref)(30, 31). 378
Phylogenetic tree construction and virus isolates clustering for SARS-CoV-2 379
After alignment of 624 SARS-CoV-2 genomes with high quality and manually deleted 380
2 highly divergent genomes (EPI_ISL_415710, EPI_ISL_414690) according to the 381
firstly constructed phylogenetic tree, the aligned dataset of 622 sequences was 382
phylogenetically analyzed. The SMS method was used to select GTR+G as the base 383
substitution model(32), and the PhyML 3.1(12) and MEGA(13) were used to 384
construct the no-root phylogenetic tree by the maximum likelihood method with the 385
bootstrap value of 100. The online tool iTOL(33) was used to visualized the 386
phylogenetic tree. The clusters were defined by the shape of phylogenetic tree. 387
Detection of specific sites from each Cluster 388
Information (ID, countries/regions and collection time) and variants (NC_045512.2 as 389
reference genome) of each genome from each Cluster were extracted. The allele 390
frequency and nucleotide divergency (pi) for each site in the virus population of each 391
Cluster were measured by vcftools(34). The Fst were also calculated by vcftools(34) 392
.CC-BY-NC-ND 4.0 International licensewas not certified by peer review) is the author/funder. It is made available under aThe copyright holder for this preprint (whichthis version posted May 15, 2020. . https://doi.org/10.1101/2020.04.24.058933doi: bioRxiv preprint
to assess the diversity between the Clusters. Sites with high level of Fst together with 393
different major allele in each Cluster were filtered as the specific sites. PCA were 394
analyzed by the GCTA v1.93.1beta(35) with the specific sites and all SNV dataset 395
respectively. 396
Linkage analysis of specific sites and characteristics of major haplotype 397
subgroups 398
The linkage disequilibrium of the specific sites were analyzed by haploview(36), and 399
the statistics of the haplotype of the specific sites for each Cluster or country were 400
used in-house perl script. 401
Phylogenetic network of haplotype subgroups 402
The phylogenetic networks were inferred by PopART package v1.7.2(37) using TCS 403
and minimum spanning network (MSN) methods respectively. 404
Frequencies of specific sites or haplotypes and correlation with death rate 405
The frequencies of specific sites for each country were calculated. The death rate was 406
estimated with Total Deaths /Confirmed Cases based on the data from Johns Hopkins 407
resources on May 12th, 2020 408
(https://www.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467409
b48e9ecf6).The correlation coefficient between death rate and frequencies of specific 410
site or haplotype in different countries was calculated using Pearson method. 411
412
Authors’ contributions 413
HD conceived the study. YM, YB, DJ, JL and XC carried out the data analysis and 414
wrote the manuscript. MH, SL, and ZC collected data and revised the manuscript. 415
XW attended the discussions. HD and YM supervised the whole work and revised the 416
manuscript. 417
418
Competing interests 419
The authors declare no competing interests. 420
.CC-BY-NC-ND 4.0 International licensewas not certified by peer review) is the author/funder. It is made available under aThe copyright holder for this preprint (whichthis version posted May 15, 2020. . https://doi.org/10.1101/2020.04.24.058933doi: bioRxiv preprint
421
Acknowledgements 422
This work was supported by the National Key R&D Program of China 423
(2018YFC0910201), the Key R&D Program of Guangdong Province 424
(2019B020226001), the Science and the Technology Planning Project of Guangzhou 425
(201704020176 and 2020Q-P013). 426
427
References 428
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510
Figure Legends 511
Figure 1 Phylogenetic tree and clusters of 622 SARS-CoV-2 genomes 512
The 622 sequences were clustered into three clusters: Cluster 1 were mainly from 513
North America, Cluster 2 were from regions all over the world, and Cluster 3 were 514
mainly from Europe. 515
Figure 2 Linkage disequilibrium plot of haplotypes of the 9 specific sites 516
A. The plot for 622 genome sequences; B. The plot for 3624 genome sequences. 517
Figure 3 The frequencies of both the 9 specific sites and haplotypes 518
The frequencies of the 9 specific sites (A) and haplotypes (B) in each country for 519
3624 genomes. 520
Figure 4 The characteristics of haplotype subgroups 521
A. The numbers of haplotypes of the 9 specific sites for 16373 genomes with clear 522
collection data detected in each country in chronological order; B. The whole genome 523
mutations in each major haplotype subgroup. 524
Figure 5 Phylogenetic network of haplotype subgroups for 3624 genomes 525
The network was inferred by POPART using TCS method. Each colored vertex 526
represents a haplotype, with different colors indicating the different sampling areas. 527
Hatch marks along edge indicated the number of mutations. Small black circles within 528
the network indicated unsampled haplotypes. H1-H5 subgroups were point out 529
according haplotypes of the 9 specific sites, and other small subgroups were not 530
specially pointed out. 531
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Figure 6 The correlation between death rate and frequencies of both the 9 532
specific sites and haplotypes 533
534
Tables 535
Table 1 Statistics of Ka, Ks and Ka/Ks ratios for all coding regions of the 536
SARS-CoV, MERS-CoV and SARS-CoV-2 genome sequences 537
Table 2 Substitution rate and tMRCA estimated by BEAST v2.6.2 538
Table 3 The information of the 9 specific sites in each Cluster 539
Table 4 Statistics of Ka, Ks and Ka/Ks ratios for all coding regions of each 4 540
major haplotype subgroup with 3624 and 16373 genomes respectively 541
542
Supplementary material 543
Figure S1 Regression analyses of the root-to-tip divergence with the 544
maximum-likelihood phylogenetic tree of SARS-CoV (A), MERS-CoV (B) and 545
SARS-CoV-2 (C) 546
The root-to-tip genetic distances were inferred in TempEst v1.5.3. Three data sets 547
exhibit a positive correlation between root-to-tip divergence and sample collecting 548
time, and they appear to be suitable for molecular clock analysis. 549
Figure S2 Substitution rate and tMRCA estimate of SARS-CoV-2 550
A. Estimated substitution rate of SARS-CoV-2 using BEAST v2.6.2 under a strict 551
molecular clock. The mean rate was 1.601 x 10-3 (substitutions per site per year). B. 552
The estimated tMRCA of SARS-CoV-2 using BEAST v2.6.2 under a strict molecular 553
clock. The mean tMRCA was 2019.74 (date: 2019-09-27). 554
Figure S3 Phylogenetic tree of 622 SARS-CoV-2 genomes 555
A. Phylogenetic tree constructed by PhyML with bootstrap value of 100; B. Phylogenetic tree 556
constructed by MEGA with bootstrap value of 100. 557
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Figure S4 The PCAs analysis result based on the 9 specific sites (A) and all SNVs 558
(B) 559
Table S1 The information of the first downloaded complete genome sequences 560
Table S2 The sequence IDs in each Cluster 561
Table S3 The details information of the SNVs in all Clusters 562
Table S4 The information of death rate, frequencies of the 9 specific sites and 563
major haplotypes in each country for 3624 and 16373 genomes respectively 564
Table S5 All haplotypes of the 9 specific sites and numbers of them for 3624 and 565
16373 genomes respectively 566
Table S6 Whole genome mutations and frequencies in each major haplotype 567
subgroup of 3624 and 16373 genomes respectively 568
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EPI.ISL.413573
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L.4145
27
EPI.ISL.416322
MT039887
EPI.ISL.416430
EPI.ISL.415604
EPI.ISL.412979
EPI.ISL.416494
EPI.ISL.414555
EPI.IS
L.4145
69
EPI.ISL.414623
EPI.ISL.412972
MT1637
16
EPI.ISL.414593
EPI.ISL.414641
MT093631
EPI.ISL.414545
EPI.ISL.416323
EPI.ISL.
415630
EPI.ISL.414940
EPI.ISL.
416031
EPI.ISL.408484
EPI.ISL.416367
EPI.ISL.410713
EPI.ISL.411218
EPI.ISL.414587
EPI.ISL.416362
EPI.ISL.416433
MT159705
EPI.ISL.410536
EPI.ISL.413572
EPI.ISL.413017
EPI.ISL.414523
EPI.ISL.410535
EPI.IS
L.4136
02
EPI.ISL.414468
EPI.ISL.416469
EPI.ISL.416429
EPI.ISL.415611
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EPI.ISL.413213
EPI.ISL.410718
EPI.ISL.413489
MT123290
CNA0007335
EPI.ISL.416454
MT121215
EPI.ISL.416471
EPI.ISL.415487
EPI.IS
L.4163
25
MT188339
EPI.IS
L.4129
74
EPI.ISL.416502
EPI.ISL.414559
EPI.ISL.414476
MT066175
EPI.ISL.415622
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26
25
79
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EPI.ISL.415503
EPI.ISL.416046
EPI.ISL.410537
EPI.ISL.414687
EPI.ISL.412028
MT027064
EPI.ISL.416491
EPI.ISL.416444
EPI.ISL.406534
EPI.ISL.413647
EPI.ISL.414562
72
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MN996527
EPI.ISL.413589
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EPI.ISL.416495
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L.4146
46
EPI.ISL.414692
EPI.ISL.416438
EPI.ISL.41
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EPI.ISL.414500
EPI.ISL.414551
EPI.ISL.4156
31
MT106052
CNA0007334
NMDC60013002-06
EPI.ISL.407894
EPI.IS
L.4144
57
EPI.ISL.407976
EPI.ISL.413558
MT184912
EPI.ISL.416439
EPI.ISL.41
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EPI.ISL.406536
EPI.IS
L.4112
20
EPI.ISL.
415652
EPI.ISL.416340
EPI.ISL.413513
EPI.ISL.414941
EPI.ISL.416355
EPI.ISL.416443
EPI.ISL.414642
EPI.ISL.408481
EPI.ISL.416324
EPI.ISL.416370
EPI.ISL.416335
LC528233
EPI.ISL.416496
39
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EPI.ISL.412983
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EPI.ISL.407071
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EPI.ISL.415648
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56
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EPI.ISL.408482
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EPI.ISL.416467
EPI.ISL.410720
EPI.ISL.413023
EPI.ISL.415702
EPI.ISL.413594
EPI.ISL.415535
MT184910
EPI.ISL.415454
EPI.ISL.403932
EPI.IS
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EPI.ISL.416033
LC522973
EPI.ISL.415616
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EPI.ISL.407073
EPI.ISL.415660
MN996529
EPI.ISL.415649
EPI.ISL.413485
EPI.ISL.416366
EPI.ISL.408515
EPI.ISL.406596
EPI.ISL.413515
MN996530
MT019531
EPI.ISL.416437
MT093571
EPI.ISL.416337
EPI.ISL.416472
MT027062
EPI.ISL.414689
EPI.ISL.415617
EPI.ISL.
414007
EPI.ISL.406597
EPI.ISL.416432
EPI.ISL.406594
EPI.ISL.413021
EPI.ISL.416457
95
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14.
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EPI.ISL.41
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EPI.ISL.413584
EPI.ISL.414591
EPI.ISL.414628
EPI.ISL.413566
24
06
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EPI.ISL.41
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EPI.IS
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28
EPI.ISL.416382
EPI.ISL.416339
EPI.ISL.416440
16
46
14.
LSI.I
PE
MT123292
LC522972
EPI.ISL.413593
EPI.ISL.416326
EPI.ISL.416445
MT159708
EPI.ISL.414012
EPI.ISL.415479
MT019530
MN988668
EPI.ISL.416318
MT159719
MT159722
EPI.IS
L.4156
43
EPI.ISL.416476
EPI.IS
L.4130
24
EPI.ISL.416140
EPI.ISL.416428
90
54
14.
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PE
EPI.ISL.415155
EPI.ISL.415527
EPI.ISL.416506
EPI.ISL.4155
12
EPI.ISL.415594
MT188340
EPI.ISL.415105
EPI.ISL.412898
EPI.ISL.415591
EPI.ISL.415505
EPI.ISL.4164
81
EPI.ISL.
414009
EPI.ISL.404228
EPI.ISL.414592
EPI.ISL.
415651
EPI.IS
L.4120
29
EPI.ISL.415475
EPI.ISL.414629
EPI.IS
L.4164
80
EPI.ISL.411066
EPI.ISL.413596
MT049951
EPI.ISL.416405
50
54
14.
LSI.I
PE
EPI.ISL.416316
EPI.ISL.416372
EPI.ISL.416034
EPI.IS
L.4145
17
EPI.ISL.414684
EPI.IS
L.4165
03
EPI.ISL.415462
EPI.ISL.408480
EPI.ISL.414577
EPI.ISL.416475
EPI.ISL.415600
EPI.ISL.413597
EPI.IS
L.4146
48
EPI.ISL.415541
MT123291
NMDC60013002-10
EPI.ISL.415460
MT159706
EPI.ISL.415506
EPI.ISL.414552
EPI.ISL.413579
EPI.IS
L.4156
55
MT184911
EPI.ISL.
415478
EPI.ISL.407988
66
46
14.
LSI.I
PE
EPI.ISL.414558
EPI.ISL.416047
EPI.ISL.415461
EPI.ISL.415741
EPI.ISL.406862
EPI.ISL.415629
EPI.ISL.408431
EPI.ISL.406531
MT050493
EPI.ISL.415510
EPI.ISL.412980
MN997409
EPI.ISL.416470
EPI.ISL.416478
EPI.ISL.414616
EPI.ISL.412869
EPI.ISL.403934
EPI.ISL.416409
13
93
14.
LSI.I
PE
EPI.ISL.416319
EPI.ISL.416321
EPI.ISL.411927
EPI.ISL.416029
EPI.ISL.414520
EPI.ISL.414008
EPI.ISL.416474
EPI.ISL.415482
EPI.ISL.416509
EPI.ISL.416447
EPI.ISL.415459
EPI.ISL.412871
75
65
14.
LSI.I
PE
EPI.ISL.416505
EPI.ISL.406538
LC528232
EPI.ISL.414435
EPI.ISL.416401
EPI.ISL.415708
EPI.ISL.416387
EPI.ISL.416341
EPI.ISL.413858
EPI.ISL.416399
EPI.ISL.415472
59
45
14.
LSI.I
PE
EPI.ISL.414643
MT159709
EPI.ISL.414452
MT118835
MT163720
EPI.IS
L.4140
21
EPI.ISL.41
3016
EPI.ISL.416407
EPI.ISL.415159
MN908947_2019/12/30_China/Hubei/Wuhan
MN938384_2020/01/10_China/Guangdong/Shenzhen ne
hzn
eh
S/g
no
dg
na
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hC
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0/0
20
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26
25
79
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uo
Chsi
mo
ho
nS/
not
gni
hs
aW/
set
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deti
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_9
1/1
0/0
20
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52
35
89
NM
MN988713_2020/01/21_UnitedStates/Illinois/Chicago
MN994467_2020/01/23_UnitedStates/California/LosAngeles
MN994468_2020/01/22_UnitedStates/California/OrangeCounty
MN997409_2020/01/22_UnitedStates/Arizona/Phoenix
MN988668_2020/01/02_China/Hubei/Wuhan
CNA0007332_2019/12/26_China/Hubei/Wuhan
CNA0007334_2020/01
/01_China/Hubei/Wu
han
CNA0007335_2020/01/05_China/Hubei/Wuhan
MT007544_2020/01/25_Australia/Victoria/Clayton
NMDC60013002-06_2019/12/30_C
hina/Hubei/Wuhan
na
hu
W/ie
bu
H/a
nih
C_
70/
10/
02
02
_7
0-2
00
31
00
6C
DM
N
NMDC60013002-08_2019/12/30_China/Hubei/Wuhan
NMDC60013002-09_2020/01/01_China/Hubei/Wuhan
NMDC60013002-10_2019/12/30_China/Hubei/WuhanLC521925_2020/01/25_Japan/Aichi
MT027062_2020/01/29_UnitedStates/California
MT027064_2020/01/29_UnitedStates/California
MT066175_2020/02/01_China/Taiwan/Taipei
oyk
oT/
na
paJ
_9
2/1
0/0
20
2_
37
92
25
CLLC522974_2020/01/31_Japan/Tokyo
LC522975_2020/01/31_Japan/Tokyo
LC522972_2020/01/29_Japan/Kyoto
MT039887_2020/01/31_UnitedStates/Wisconsin
MT044258_2020/01/27_UnitedStates/California
MT044257_2020/01/28_UnitedStates/Illinois
MT049951_2020/01/17_China/Yunnan
MT066176_2020/02/05_China/Taiwan/Taipei
MT072688_2020/01/13_Nepal/Kathmandu
MT093631_2020/01/08_China
MT093571_2020/02/07_Sweden
MT106052_2020/02/06_UnitedStates/California
MT106053_2020/02/10_UnitedStates
/California
sa
xe
T/s
etat
Sd
eti
nU
_11
/2
0/0
20
2_
45
06
01
TM
MT118835_2020/02/23_UnitedStates/California/Solano
MT123291_2020/01/29_China/Guangdong/Guangzhou
MT123290_2020/02/05_China/Guangdong/Guangzhou
LC528233_2020/02/10_Japan/KanagawaLC528232_2020/02/10_Japan/Kanagawa
MT152824_2020/02/24_UnitedStates/Washington/SnohomishCounty
MT126808_2
020/02/28_
Brazil
MT1637
16_202
0/02/2
7_Unit
edStat
es/Was
hingto
n
MT135041_2020/01/26_China/Beijing
MT135043_2020/01/28_China/Beijing
MT163717_2020/02/28_UnitedStates/Washington
MT163718_2020/02/29_UnitedStates/Washington
MT163719_2020/03/01_UnitedStates/Washington
MT163720_2020/03/01_UnitedStates/Washington
MT050493_2020/01/31_India/KeralaState
MT012098_2020/01/27_India/KeralaState
MT159717_2020/02/17_UnitedStates
MT159718_2020/02/18_UnitedStates
MT159719_2020/02/18_UnitedStates
MT159720_2020/02/21_UnitedStates
MT159722_2020/02/21_UnitedStates
MT159705_2020/02/17_UnitedStates
MT159706_2020/02/17_UnitedStates
MT159707_2020/02/17_UnitedStates
MT159708_2020/02/17_UnitedStates
MT159709_2020/02/20_UnitedStates
MT159712_2020/02/25_UnitedStates
MT159715_2020/02/24_UnitedStates
MT159716_2020/02/24_UnitedStates
MT123292_2020/01/27_China/Guangdong/Guangzhou
MT123293_2020/01/29_China/Guangdong/Guangzhou
MT121215_2020/02/02_China/Shanghai
MT0661
56_202
0/01/3
0_Ital
y
MT184908_2020/02/21_UnitedStates
MT184910_2020/02/18_UnitedStates
MT184911_2020/02/17_UnitedStatesMT184912_2020/02/17_UnitedStates
MT184913_2020/02/24_UnitedStates
MT188339_2020/03/09_UnitedStates/MN
MT188340_2020/03/07_UnitedStates/MN
MT188341_2020/03/05_UnitedStates/MN
MN996527_2019/12/30_Ch
ina/Hubei/Wuhan
MN996529_2019/12/30_China/Hubei/Wuhan
na
hu
W/ie
bu
H/a
nih
C_
03/
21/
91
02
_0
35
69
9N
M
MN996531_2019/12/30_China/Hubei/Wuhan
MT019529_2019/12/23_China/Hubei/Wuhan
MT019530_2019/12/30_China/Hubei/Wuhan
MT019531_2019/12/30_China/Hubei/Wuhan
MT019532_2019/12/30_China/Hubei/Wuhan
MT019533_2020/01/01_China/Hubei/Wuhan
uo
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gn
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20
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30
TM
na
hu
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bu
H/a
nih
C/ai
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3/2
1/9
10
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23
12
04
_L
SI_I
PE
EPI_ISL_403932_2020/01/14_Asia/China/Guandong/Shenzhen
EPI_ISL_403934_202
0/01/15_Asia/China
/Guandong/Shenzhen
EPI_ISL_403936_2020/01/17_Asia/China/Guangdong/Zhuhai
iru
ba
htn
oN/
dn
alia
hT/
ais
A_
80/
10/
02
02
_2
69
30
4_
LSI
_IP
E
EPI_ISL_403963_2020/01/13_Asia/Thailand/Nonthaburi
EPI_ISL_404227_2020/01/16_Asia/China/Zhejiang
EPI_ISL_404228_2020/01/17_Asia/China/Zhejiang
EPI_IS
L_4060
31_202
0/01/2
3_Asia
/Taiwa
n/Kaoh
siung
EPI_ISL_406531_2020/01/22_Asia/China/Guangdong/Zhuhai
EPI_ISL_406533_2020/01/22_Asia/China/Guangdong/Guangzhou
EPI_ISL_406534_2020/01/22_Asia/China/Guangdong/Foshan
EPI_ISL_406535_2020/01/22_Asia/China/Guangdong/Foshan
EPI_ISL_406536_2020/01/22_Asia/China/Guangdong/Foshan
EPI_ISL_406538_2020/01/23_Asia/China/Guangdong
EPI_ISL_406592_2020/01/13_Asia/China/Guandong/Shenzhen
ne
hzn
eh
S/g
no
dn
au
G/a
nih
C/ai
sA
_3
1/1
0/0
20
2_
39
56
04
_L
SI_I
PE
EPI_ISL_406594_2020/01/16_Asia/China/Guandong/Shenzhen
EPI_ISL_406595_2020/
01/16_Asia/China/Gua
ndong/Shenzhen
EPI_ISL_406596_2020/01/23_Europe/France/Ile-de-France/Paris
EPI_ISL_406597_2020/01/23_Europe/France/Ile-de-France/Paris
EPI_ISL_406862_2020/01/28_Europe/Germany/Bavaria/Munich
EPI_ISL_406973_2020/01/23_Asia/Singapore
EPI_ISL_407071_2020/01/29_Europe/UnitedKingdom/England
EPI_ISL_407073_2020/01/29_Europe/UnitedKingdom/England
EPI_ISL_407193_2020/01/25_Asia/SouthKorea/Gyeonggi-do
EPI_ISL_407313_2020/01/19_Asia/China/Zhejiang/Hangzhou
EPI_ISL_407893_2020/01/24_Oceania/Australia/NewSouthWales/Sydney
EPI_ISL_407894_2020/01/28_Oceania/Australia/Queensland/GoldCoast
EPI_ISL_407896_2020/01/30_Oceania/Australia/Queensland/GoldCoast
EPI_ISL_407976_2020/02/03_Europe/Belgium/Leuven
EPI_ISL_407987_2020/01/25_Asia/Singapore
EPI_ISL_407988_2020/02/01_Asia/Singapore
EPI_ISL_408430_2020/01/29_Europe/France/Ile-de-France/Paris
EPI_ISL_408431_2020/01/29_Europe/France/Ile-de-France/Paris
na
uh
cg
no
Y/q
niq
gn
oh
C/a
nih
C/ai
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_1
2/1
0/0
20
2_
87
48
04
_L
SI_I
PE
EPI_ISL_408479_2020/01/23_Asia/China/Chongqing/Zhongxian
EPI_ISL_408480_2020/01/17_Asia/China/Yunnan/Kunming
EPI_ISL_408481_2020/01/18_Asia/China/Chongqing
EPI_ISL_408482_2020/01/19_Asia/China/Shandong/Qingdao
EPI_ISL_408484_2020/01/15_Asia/China/Sichuan/Chengdu
EPI_ISL_408485_2020/01/18_Asia/China/Beijing
EPI_ISL_408486_2020/01/11_Asia/China/J
iangxi/Pingxiang
EPI_ISL_408488_2020/01/19_Asia/China/Jiangsu/Huaian
EPI_ISL_408514_2020/01/01_Asia/China/Hubei/Wuhan
EPI_ISL_408515_2020/01/01_Asia/China/Hubei/Wuhan
EPI_ISL_408668_2020/01/24_Asia/Vietnam/ThanhHoa
EPI_ISL_408976_2020/01/22_Oceania/Australia/NewSouthWales/Sydney
EPI_ISL_408977_2020/01/25_Oceania/Australia/NewSouthWales/Sydney
EPI_ISL_409067_2020/01/29_NorthAmerica/USA/Massachusetts
EPI_ISL_410531_2020/01/25_Asia/Japan/Nara
EPI_ISL_410535_2020/02/03_Asia/Singapore
EPI_ISL_410536_2020/02/06_Asia/Singapore
EPI_ISL_410537_2020/02/09_Asia/Singapore
EPI_IS
L_4105
46_202
0/01/3
1_Euro
pe/Ita
ly/Rom
e
EPI_ISL_410713_2020/01/27_Asia/Singapore
EPI_ISL_410714_2020/02/03_Asia/Singapore
EPI_ISL_410715_2020/02/04_Asia/Singapore
EPI_ISL_410716_2020/02/04_Asia/Singapore
EPI_ISL_410717_2020/02/05_Oceania/Australia/Queensland/GoldCoast
EPI_ISL_410718_2020/02/05_Oceania/Australia/Queensland/GoldCoast
EPI_ISL_410719_2020/02/02_Asia/Singapore
EPI_ISL_410720_2020/01/23_Europe/France/Ile-de-France/Paris
EPI_ISL_410984_2020/01/29_Europe/France/Ile-de-France/Paris
naij
uF/
ani
hC/
ais
A_
12/
10/
02
02
_0
60
114
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SI_I
PE
EPI_ISL_411066_2020/01/22_Asia/China/Fujian
EPI_ISL_411218_2020/02/02_Europe/France/Ile-de-France/Paris
EPI_ISL_411
219_2020/01/28_Europe/France/Ile-de-France/Paris
EPI_IS
L_4112
20_202
0/01/2
8_Euro
pe/Fra
nce/Il
e-de-F
rance/
Paris
EPI_ISL_411902_2020/01/27_Asia/Cambodia/Sihanoukville
EPI_ISL_411915_2020/01/25_Asia/Taiwan/Taoyuan
EPI_ISL_411926_2020/01/24_Asia/Taiwan/Taipei
EPI_ISL_411927_2020/01/28_Asia/Taiwan/Taipei
EPI_ISL_411950_2020/01/23_Asia/China/Jiangsu
EPI_ISL_411952_2020/01/24_Asia/China/Jiangsu
EPI_ISL_412026_2020/02/23_Asia/China/Anhui/Hefei
EPI_ISL_412028_2020/01/22_Asia/HongKong
EPI_IS
L_4120
29_202
0/01/3
0_Asia
/HongK
ong
EPI_ISL_412030_2020/02/01_Asia/HongKong
EPI_ISL_
412116_2
020/02/0
9_Europe
/UnitedK
ingdom/E
ngland
uo
hzg
niJ/i
eb
uH/
ani
hC/
ais
A_
80/
10/
02
02
_9
54
21
4_
LSI
_IP
E
EPI_ISL_412869_2020/01/30_Asia/SouthKorea/Seoul
EPI_ISL_412870_2020/01/30_Asia/SouthKorea/Seoul
EPI_ISL_412871_2020/01/31_Asia/SouthKorea/Seoul
EPI_ISL_412872_2020/02/01_Asia/SouthKorea/Gyeonggi-do
EPI_ISL_412873_2020/02/06_Asia/SouthKorea/Chungcheongnam-do
EPI_ISL_412898_2019/12/3
0_Asia/China/Hubei/Wuhan
EPI_ISL_412912_2020/02/25_Europe/Germany/Baden-Wuerttemberg
EPI_ISL_412972_2020/02/27_NorthAmerica/Mexico/MexicoCity
EPI_ISL_412973_2
020/02/20_Europe
/Italy/Lombardy
EPI_IS
L_4129
74_202
0/01/2
9_Euro
pe/Ita
ly/Rom
e
EPI_ISL_412975_2020/02/28_Oceania/Australia/NewSouthWales/Sydney
EPI_ISL_412978_2020/01/17_Asia/China/Hubei/Wuhan
EPI_ISL_412979_2020/01/18_Asia/China/Hubei/Wuhan
EPI_ISL_412980_2020/01/18_Asia/China/Hubei/Wuhan
EPI_ISL_412981_2020/01/18_Asia/China/Hubei/Wuhan
EPI_ISL_412982_2020/02/07_Asia/China/Hubei/Wuhan
EPI_ISL_412983_2020/02/08_Asia/China/Hubei/Tianmen
EPI_ISL_413014_2020/01/25_NorthAmerica/Canada/Ontario
EPI_ISL_413015_2020/01/23_NorthAmerica/Canada/Ontario
EPI_ISL_41
3016_2020/
02/28_Sout
hAmerica/B
razil/SaoP
aulo/SaoPa
ulo
EPI_ISL_413017_2020/02/06_Asia/SouthKorea
EPI_ISL_413018_2020/02/06_Asia/SouthKorea
EPI_ISL_41
3019_2020/
02/26_Euro
pe/Switzer
land/Zuric
h
EPI_ISL_413020_2020/02/27_Europe/Switzerland/Zurich
EPI_ISL_413021_2020/02/29_Europe/Switzerland/Zurich
EPI_ISL_413022_2020/02/29_Europe/Switzerland/Zurich
EPI_ISL_413023_2020/02/29_Europe/Switzerland/Zurich
EPI_IS
L_4130
24_202
0/02/2
9_Euro
pe/Swi
tzerla
nd/Zur
ich
EPI_ISL_413213_2020/02/29_Oceania/Australia/NewSouthWales/Sydney
EPI_ISL_413214_2020/02/29_Oceania/Australia/NewSouthWales/Sydney
EPI_ISL_413456_2020/02/20_NorthAmerica/USA/Washington/KingCounty
EPI_ISL_413459_2020/02/20_Asia/Japan/Tokyo
EPI_ISL_413485_2020/01/24_Asia/China/Anhui/Suzhou
tcir
tsi
Dgr
ebs
nie
H/ail
ah
pts
eW
eni
hR
htr
oN/
yn
amr
eG/
ep
oru
E_
82/
20/
02
02
_8
84
31
4_
LSI
_IP
E
EPI_ISL_413489_202
0/03/03_Europe/Ita
ly/Lombardy/Milan
EPI_ISL_413490_2020/02/27_Oceania/NewZealand/Auckland
EPI_ISL_413513_2020/02/27_Asia/SouthKorea
EPI_ISL_413515_2020/02/27_Asia/SouthKorea
EPI_ISL_413555_2020/02/27_Europe/UnitedKingdom/Wales
EPI_ISL_413558_2020/02/27_NorthAmerica/USA/California/SolanoCounty
EPI_ISL_413559_2020/02/27_NorthAmerica/USA/California/SolanoCounty
EPI_ISL_413560_2020/02/28_NorthAmerica/USA/Washington
EPI_ISL_413563_2020/03/03_NorthAmerica/USA/Washington
EPI_ISL_413566_2020/03/02_Europe/Netherlands/Blaricum
EPI_ISL_413572_2020/03/01_Europe/Netherlands/Haarlem
EPI_ISL_413573_2020/03/02_Europe/Netherlands/HardinxveldGiessendam
EPI_ISL_413577_2020/03/02_Europe/Netherlands/Naarden
EPI_ISL_413579_2020/03/03_Europe/Netherlands/Nootdorp
EPI_ISL_413580_2020/03/02_Europe/Netherlands/Oisterwijk
EPI_ISL_413582_2020/03/01_Europe/Netherlands/Rotterdam
EPI_ISL_413584_2020/03/03_Europe/Netherlands/Rotterdam
EPI_ISL_413589_2020/03/01_Europe/Netherlands/Utrecht
EPI_ISL_413592_2020/03/02_
Asia/Taiwan/Taipei
EPI_ISL_413593_2020/02/29_Europe/Luxembourg
EPI_ISL_413594_2020/02/28_Oceania/Australia/NSW/Sydney
EPI_ISL_413595_2020/02/28_Oceania/Australia/NSW/Sydney
EPI_ISL_413596_2020/02/28_Oceania/Australia/NSW/Sydney
EPI_ISL_413597_2020/03/02_Oceania/Australia/NSW/Sydney
EPI_ISL_413599_2020/03/04_Oceania/Australia/NSW/Sydney
EPI_ISL_413600_2020/03/03_Oceania/Australia/NSW/Sydney
EPI_IS
L_4136
02_202
0/03/0
3_Euro
pe/Fin
land/H
elsink
i
EPI_ISL_
413603_2
020/03/0
3_Europe
/Finland
/Helsink
i
EPI_ISL_413604_2020/03/03_Europe/Finland/Helsinki
EPI_ISL_413647_2020/03/01_Europe/Portugal
EPI_ISL_
413648_2
020/03/0
1_Europe
/Portuga
l
EPI_ISL_413650_2020/03/05_NorthAmerica/USA/Washington
EPI_ISL_413651_2020/03/05_NorthAmerica/USA/Washington
EPI_ISL_413653_2020/03/05_NorthAmerica/USA/Washington
EPI_ISL_413853_2020/01/30_Asia/China/Guangdong
EPI_ISL_413854_2020/01/30_Asia/China/Guangdong
EPI_ISL_413857_2020/01/31_Asia/China/GuangdongEPI_ISL_413858_2020/01/30_Asia/China/Guangdong
EPI_ISL_413860_2020/01/30_Asia/China/Guangdong
EPI_ISL_413861_2020/02/01_Asia/China/Guangdong
EPI_ISL_413863_2020/02/01_Asia/China/Guangdong
EPI_ISL_413864_2020/02/09_Asia/China/Guangdong
ocsic
nar
Fn
aS/
ainr
ofila
C/A
SU/
acir
em
Ahtr
oN
_5
0/3
0/0
20
2_
52
93
14
_L
SI_I
PE
oc
sic
nar
Fn
aS/
ainr
ofila
C/A
SU/
acire
mA
htro
N_
50/
30/
02
02
_8
29
31
4_
LSI
_IP
Eoc
sic
nar
Fn
aS/
ainr
ofila
C/A
SU/
acire
mA
htro
N_
50/
30/
02
02
_1
39
31
4_
LSI
_IP
E
EPI_ISL_413996_2
020/02/24_Europe
/Switzerland/Tes
sin
EPI_IS
L_4139
97_202
0/02/2
6_Euro
pe/Swi
tzerla
nd/Gen
eva
EPI_IS
L_4139
99_202
0/02/2
7_Euro
pe/Swi
tzerla
nd/Arg
ovie
EPI_ISL_
414005_2
020/02/2
5_Europe
/UnitedK
ingdom/E
ngland
EPI_ISL_
414006_2
020/02/2
8_Europe
/UnitedK
ingdom/E
ngland
EPI_ISL_
414007_2
020/02/2
8_Europe
/UnitedK
ingdom/E
ngland
EPI_ISL_414008_2020/02/27_Europe/UnitedKingdom/England
EPI_ISL_
414009_2
020/02/2
5_Europe
/UnitedK
ingdom/E
ngland
EPI_ISL_41
4011_2020/
02/26_Euro
pe/UnitedK
ingdom/Eng
land
EPI_ISL_414012_2020/02/27_Europe/UnitedKingdom/England
EPI_ISL_4140
19_2020/02/2
7_Europe/Swi
tzerland/Gen
eva
EPI_ISL_4140
20_2020/02/2
7_Europe/Swi
tzerland/Gen
eva
EPI_IS
L_4140
21_202
0/02/2
7_Euro
pe/Swi
tzerla
nd/Bas
el
EPI_IS
L_4140
22_202
0/02/2
7_Euro
pe/Swi
tzerla
nd/Gen
eva
EPI_ISL_414023_2020/03/01_Europe/Switzerland/Vaud
EPI_IS
L_4140
45_202
0/03/0
4_Sout
hAmeri
ca/Bra
zil/Ri
odeJan
eiro/R
iodeJa
neiro
EPI_ISL_414428_2020/03/02_Europe/Netherlands/NoordBrabant
EPI_ISL_414429_2020/03/02_Europe/Netherlands/NoordBrabant
EPI_ISL_414435_2020/03/03_Europe/Netherlands/Utrecht
EPI_IS
L_4144
45_202
0/03/0
3_Euro
pe/Net
herlan
ds/Zui
dHolla
nd
EPI_ISL_41
4451_2020/
03/06_Euro
pe/Netherl
ands/Noord
Brabant
EPI_ISL_414452_2020/03/06_Europe/Netherlands/NoordBrabant
EPI_IS
L_4144
57_202
0/03/0
6_Euro
pe/Net
herlan
ds/Noo
rdBrab
ant
EPI_ISL_414467_2020/03/05_Europe/Netherlands/ZuidHolland
EPI_ISL_414468
_2020/03/06_Eu
rope/Netherlan
ds/ZuidHolland
EPI_ISL_414470_2020/03/06_Europe/Netherlands/ZuidHolland
EPI_ISL_414476_2020/02/29_NorthAmerica/USA/NewYork
EPI_ISL_414487_2020/03/04_Europe/Ireland/Cork t
cirtsiD
gre
bsni
eH/
aila
hpts
eW
eni
hR
htro
N/yn
amr
eG/
ep
oru
E_
52/
20/
02
02
_7
94
41
4_
LSI
_IP
E tcir
tsi
Dgr
eb
sni
eH/
aila
hpt
se
We
nih
Rht
ro
N/y
na
mre
G/e
por
uE
_6
2/2
0/0
20
2_
99
44
14
_L
SI_I
PE
EPI_ISL_414500_2020/03/04_Europe/UnitedKingdom/England/Yorkshire/Sheffield
tcirtsiD
gre
bsni
eH/
aila
hpts
eW
eni
hR
htro
N/yn
amr
eG/
ep
oru
E_
72/
20/
02
02
_5
05
41
4_
LSI
_IP
Etcirt
siD
gre
bsni
eH/
aila
hpts
eW
eni
hR
htro
N/yn
amr
eG/
ep
oru
E_
82/
20/
02
02
_9
05
41
4_
LSI
_IP
E
EPI_IS
L_4145
17_202
0/02/2
5_Asia
/HongK
ong
EPI_ISL_414520_2020/03/02_Europe/Germany/Munich
hci
nu
M/y
na
mre
G/e
por
uE
_2
0/3
0/0
20
2_
12
54
14
_L
SI_I
PE
EPI_ISL_414522_2020/02/28_Europe/UnitedKingdom/England
EPI_ISL_414523_2020/02/27_Europe/UnitedKingdom/England
EPI_IS
L_4145
24_202
0/03/0
1_Euro
pe/Uni
tedKin
gdom/E
ngland
EPI_ISL_
414525_2
020/03/0
2_Europe
/UnitedK
ingdom/E
ngland
EPI_ISL_414526_2020/03/03_Europe/UnitedKingdom/England
EPI_IS
L_4145
27_202
0/02/0
9_Asia
/HongK
ong
EPI_IS
L_4145
28_202
0/02/1
0_Asia
/HongK
ong
EPI_ISL_414536_2020/03/08_Europe/Netherlands/NoordBrabant
EPI_ISL_414537_2020/03/08_Europe/Netherlands/NoordBrabant
EPI_ISL_414539_2020/03/08_Europe/Netherlands/NoordBrabant
EPI_ISL_414544_2020/03/09_Europe/Netherlands/NoordBrabant
EPI_ISL_414545_2020/03/03_Europe/Netherlands/NoordBrabant
EPI_ISL_414549_2020/03/03_Europe/Netherlands/NoordHolland
EPI_ISL_414551_2020/03/07_Europe/Netherlands/Utrecht
EPI_ISL_414552_2020/03/07_Europe/Netherlands/Utrecht
EPI_ISL_414554_2020/03/08_Europe/Netherlands/Utrecht
EPI_ISL_414555_2020/03/08_Europe/Netherlands/Utrecht
EPI_ISL_414558_2020/03/06_Europe/Netherlands/ZuidHolland
EPI_ISL_414559_2020/03/07_Europe/Netherlands/ZuidHolland
EPI_ISL_414562_2020/03/03_Europe/Netherlands/ZuidHolland
EPI_ISL_414563_2020/03/03_Europe/Netherlands/ZuidHolland
EPI_IS
L_4145
69_202
0/02/1
2_Asia
/HongK
ong
EPI_ISL_414571_2020/02/22_Asia/HongKong
EPI_ISL_414577_2020/03/02_SouthAmerica/Chile/Talca
EPI_ISL_414578_2020/03/04_SouthAmerica/Chile/Talca
EPI_ISL_414579_2020/03/03_SouthAmerica/Chile/Santiago
EPI_ISL_414580_2020/03/05_SouthAmerica/Chile/Santiago
EPI_ISL_414586_2020/03/03_Europe/Ireland/Limerick
EPI_ISL_414587_2020/03/03_Europe/Ireland/Limerick
EPI_ISL_414591_2020/03/06_NorthAmerica/USA/Washington/Kirkland
EPI_ISL_414592_2020/03/06_NorthAmerica/USA/Washington/Tacoma
EPI_ISL_414593_2020/03/05_NorthAmerica/USA/Washington/Kirkland
EPI_ISL_414595_2020/03/05_NorthAmerica/USA/Washington/Kirkland
EPI_ISL_414597_2020/03/04_NorthAmerica/USA/Washington/Kirkland
EPI_ISL_414600_2020/02/26_Europe/France/Grand-Est/Strasbourg
EPI_ISL_414601_2020/
02/27_Europe/France/
Normandie/Rouen
EPI_ISL_414616_2020/03/08_NorthAmerica/USA/Washington/Kirkland
EPI_ISL_414617_2020/03/08_NorthAmerica/USAEPI_ISL_414618_2020/03/08_NorthAmerica/USA
EPI_ISL_414620_2020/03/08_NorthAmerica/USA
EPI_ISL_414621_2020/03/08_NorthAmerica/USA/Washington/Kirkland
EPI_ISL_414623_2020/02/25_Europe/France/Grand-Est/Strasbourg
EPI_ISL_414624_2020/02
/26_Europe/France/Norm
andie/Rouen
EPI_ISL_414625_2020/02/26_Europe/France/PaysdelaLoire/Nantes
EPI_ISL_414626_2020/02/29_Europe
/France/HautsdeFrance/CrpyenValo
is
EPI_ISL_414627_2020/03/02_Europe/France/HautsdeFrance/Compigne
EPI_ISL_414628_2020/03/02_Europe/France/HautsdeFrance/Compigne
EPI_ISL_414629_2020/03/03_Europe/France/HautsdeFrance/Compigne
EPI_ISL_414630_2020/03/03_Europe/France/HautsdeFrance/Compigne
EPI_ISL_
414631_2
020/03/0
4_Europe
/France/
Grand-Es
t/Reims
EPI_ISL_414632_2020/03/04_Europe/France/Grand-Est/Reims
EPI_ISL_414633_2020/03/04_Europe/France/Ile-de-France/Pontoise
EPI_ISL_414634_2020/03/04_Europe/France/HautsdeFrance/Compigne
EPI_ISL_414635_2020/03/04_Europe/France/HautsdeFrance/Compigne
EPI_ISL_414636_2020/03/04_Europe/France/HautsdeFrance/Compigne
EPI_ISL_414637_2020/03/04_Europe/France/HautsdeFrance/Compigne
EPI_ISL_414638_2020/03/04_Europe/Franc
e/HautsdeFrance/Compigne
EPI_ISL_414641_2020/03/05_Europe/Finland
EPI_ISL_414642_2020/03/08_Europe/Finland
EPI_ISL_414643_2020/03/07_Europe/Finland
EPI_IS
L_4146
46_202
0/03/0
4_Euro
pe/Fin
land
EPI_IS
L_4146
48_202
0/03/1
1_Nort
hAmeri
ca/USA
/Calif
ornia/
SanDie
goCoun
ty
EPI_ISL_414663_2020/02/25_Asia/China/Guangdong/Guangzhou
EPI_ISL_414684_2020/02/27_Asia/China/Guangdong/Guangzhou
EPI_ISL_414687_2020/02/25_Asia/China/Guangdong/Guangzhou
EPI_ISL_414688_2020/02/25_Asia/China/Guangdong/Guangzhou
EPI_ISL_414689_2020/02/25_Asia/China/Guangdong/Guangzhou
EPI_ISL_414691_2020/02/25_Asia/China/Guangdong/Guangzhou
EPI_ISL_414692_2020/02/25_Asia/China/Guangdong/Guangzhou
EPI_ISL_414938_2020/01/24_Asia/China/Shandong
EPI_ISL_414940_2020/01/25_Asia/China/Shandong
EPI_ISL_414941_2020/01/30_Asia/China/Shandong
EPI_ISL_415105_2020/03/04_SouthAmerica/Brazil/Bahia/FeiradeSantana
EPI_ISL_
415128_2
020/02/2
9_SouthA
merica/B
razil/Es
piritoSa
nto/Vila
Velha
EPI_ISL_415129_2020/02/29_Europe/UnitedKingdom/England
EPI_ISL_415151_2020/03/04_NorthAmerica/USA/NewYork
EPI_ISL_415153_2020/03/03_Europe/Belgium/Huldenberg
EPI_ISL_415154_2020/03/01_Europe/Belgium/Kraainem
EPI_ISL_415155_2020/03/01_Europe/Belgium/Huldenberg
EPI_ISL_415156_2020/03/01_Europe/Belgium/Huldenberg
EPI_ISL_415157_2020/03/01_Europe/Belgium/Sint-Niklaas
EPI_ISL_415158_2020/03/01_Europe/Belgium/Brussels
EPI_ISL_415159_2020/02/29_Europe/Belgium/Leuven
EPI_ISL_
415435_2
020/03/0
6_Europe
/UnitedK
ingdom/W
ales
EPI_ISL_415454_2020/02/28_Europe/Switzerland
EPI_IS
L_4154
55_202
0/02/2
8_Euro
pe/Swi
tzerla
nd
EPI_IS
L_4154
56_202
0/02/2
9_Euro
pe/Swi
tzerla
nd
EPI_ISL_415457_2020/02/29_Europe/Switzerland
EPI_ISL_415458_2020/03/01_Europe/Switzerland
EPI_ISL_415459_2020/02/29_Europe/Switzerland/Genve
EPI_ISL_415460_2020/03/09_Europe/Netherlands/Flevoland
EPI_ISL_415461_2020/03/10_Europe/Netherlands/Gelderland
EPI_ISL_415462_2020/03/09_Europe/Netherlands/Gelderland
EPI_ISL_415467_2020/03/10_Europe/Netherlands
EPI_ISL_415468_2020/03/10_Europe/Netherlands
EPI_ISL_415471_2020/03/11_Europe/Netherlands
EPI_ISL_415472_2020/03/11_Europe/Netherlands
EPI_ISL_415473_2020/03/09_Europe/Netherlands
EPI_ISL_415475_2020/03/12_Europe/Netherlands
EPI_ISL_415476_2020/03/10_Europe/Netherlands
EPI_ISL_
415478_2
020/03/0
8_Europe
/Netherl
ands
EPI_ISL_415479_2020/03/08_Europe/Netherlands
EPI_ISL_415481_2020/03/08_Europe/Netherlands
EPI_ISL_415482_2020/03/09_Europe/Netherlands
EPI_ISL_415485_2020/03/12_Europe/Netherlands
EPI_ISL_415486_2
020/03/13_Europe
/Netherlands
EPI_ISL_415487_2020/03/13_Europe/Netherlands
EPI_ISL_415488_2020/03/13_Europe/Netherlands
EPI_ISL_415491
_2020/03/07_Eu
rope/Netherlan
ds
EPI_ISL_4154
92_2020/03/1
0_Europe/Net
herlands
sd
nalr
eht
eN/
ep
oru
E_
01/
30/
02
02
_5
94
51
4_
LSI
_IP
E
EPI_ISL_415497_2020/03/09_Europe/Netherlands
EPI_ISL_415500_2020/03/10_Europe/Netherlands/NoordBrabant
EPI_ISL_415501_2020/03/11_Europe/Netherlands/NoordBrabant
EPI_ISL_415503_2020/03/11_Europe/Netherlands/NoordBrabant
EPI_ISL_415505_2020/03/11_Europe/Netherlands/NoordBrabant
EPI_ISL_415506_2020/03/11_Europe/Netherlands/NoordBrabant
EPI_ISL_415510_2020/03/09_Europe/Netherlands/NoordBrabant
EPI_ISL_4155
12_2020/03/0
9_Europe/Net
herlands/Noo
rdBrabant
EPI_ISL_415516_2020/03/11_Europe/Netherlands/NoordBrabant
EPI_ISL_415525_2020/03/12_Europe/Netherlands/NoordHolland
EPI_ISL_415527_2
020/03/12_Europe
/Netherlands/Utr
echt
dn
allo
Hdi
uZ/s
dn
alre
hte
N/e
por
uE
_9
0/3
0/0
20
2_
13
55
14
_L
SI_I
PE
EPI_ISL_415532_2020/03/09_Europe/Netherlands/ZuidHolland
EPI_ISL_415534_2020/03/11_Europe/Netherlands/ZuidHolland
EPI_ISL_415535_2020/03/12_Europe/Netherlands/ZuidHolland
EPI_ISL_415539_2020/03/13_NorthAmerica/USA/Utah
EPI_ISL_415541_2020/03/13_NorthAmerica/USA/Utah
EPI_ISL_415543_2020/03/13_NorthAmerica/USA/Utah
EPI_ISL_415581_2020/03/01_NorthAmerica/Canada/BritishColumbia
EPI_ISL_415583_2020/03/03_NorthAmerica/Canada/BritishColumbia
aib
mul
oC
hsitir
B/a
da
na
C/a
cire
mA
htro
N_
20/
30/
02
02
_4
85
51
4_
LSI
_IP
E
EPI_ISL_415591_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_415592_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415594_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_415595_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415596_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415597_2020/03/10_NorthAmerica/USA/Washington/Seattle
EPI_ISL_415598_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_415600_2020/03/09_NorthAmerica/USA
EPI_ISL_415601
_2020/03/10_No
rthAmerica/USA
/Washington
EPI_ISL_415602_2020/03/10_NorthAmerica/USA/Washington/Seattle
EPI_ISL_415603_2020/03/10_NorthAmerica/USA/Washington/Seattle
EPI_ISL_415604_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_415605_2020/03/05_NorthAmerica/USA/Washington
EPI_ISL_415606_2020/03/08_NorthAmerica/USA/Washington
EPI_ISL_415607_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415608_2020/03/08_NorthAmerica/USA/Washington
EPI_ISL_415609_2020/03/08_NorthAmerica/USA/Washington
EPI_ISL_415611_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415612_2020/03/09_NorthAmerica/USA/Washington/Seattle
EPI_ISL_415613_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415614_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415615_2020/03/08_NorthAmerica/USA/Washington
EPI_ISL_415616_2020/03/08_NorthAmerica/USA/WashingtonEPI_ISL_415617_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415619_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415620_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415621_2020/03/09_NorthAmerica/USA/Washington/Seattle
EPI_ISL_415622_2020/03/09_NorthAmerica/USA/WashingtonEPI_ISL_415624_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415625_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415626_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_415627_2020/03/09_NorthAmerica/USA/Washington
EPI_ISL_415629_2020/03/04_Europe/UnitedKingdom/Scotland
EPI_ISL_
415630_2
020/03/0
9_Europe
/UnitedK
ingdom/S
cotland
EPI_ISL_4156
31_2020/03/1
0_Europe/Uni
tedKingdom/S
cotland
EPI_ISL_415640_2020/03/08_Europe/UnitedKingdom/Scotland
EPI_IS
L_4156
41_202
0/02/2
7_Asia
/Georg
ia/Tbi
lisi
EPI_IS
L_4156
42_202
0/03/1
0_Asia
/Georg
ia/Tbi
lisi
EPI_IS
L_4156
43_202
0/03/1
0_Asia
/Georg
ia/Tbi
lisi
EPI_ISL_415646_2020/03/03_Europe/Italy
EPI_ISL_415648_2020/03/03_Europe/Italy
EPI_ISL_415649_2020/03/05_Europe/France/Hauts-de-France/Crpy-en-Valois
EPI_ISL_415650_2020/03/02_Europe/France/IDF
EPI_ISL_
415651_2
020/03/0
5_Europe
/France/
Bourgogn
e-France
-Comt/Mo
ntreux-C
hateau
EPI_ISL_
415652_2
020/03/0
5_Europe
/France/
Bourgogn
e-France
-Comt/Th
ise
EPI_ISL_415654_2020/03/09_Europe/France/HautsdeFrance/Compigne
EPI_IS
L_4156
55_202
0/03/1
2_Euro
pe/Uni
tedKin
gdom/W
ales
sel
aW/
mo
dg
niK
deti
nU/
ep
oru
E_
21/
30/
02
02
_7
56
51
4_
LSI
_IP
E
EPI_ISL_415658_2020/03/06_SouthAmerica/Chile/Santiago
EPI_ISL_415660_2020/03/07_SouthAmerica/Chile/Santiago
EPI_ISL_415698_2020/02/27_Europe/Switzerland
EPI_ISL_415700_2020/02/28_Europe/Switzerland
EPI_IS
L_4157
01_202
0/03/0
2_Euro
pe/Swi
tzerla
nd
EPI_ISL_415702_2020/03/02_Europe/Switzerland
EPI_ISL_415703_2020/03/01_Europe/Switzerland
EPI_ISL_41
5704_2020/
03/04_Euro
pe/Switzer
land
EPI_ISL_41
5705_2020/
03/06_Euro
pe/Switzer
land
EPI_ISL_41
5706_2020/
03/06_Euro
pe/Switzer
land
EPI_ISL_41
5707_2020/
03/08_Euro
pe/Switzer
land
EPI_ISL_415708
_2020/03/07_Eu
rope/Switzerla
nd
EPI_IS
L_4157
09_202
0/01/2
5_Asia
/China
/Hangz
hou
EPI_ISL_415711_2020/01/22_Asia/China/Hangzhou
EPI_ISL_415741_2020/02/26_Asia/Taiwan/Taoyuan
EPI_ISL_415743_2020/02/27_Asia/Taiwan/Taoyuan
sel
aW/
mo
dg
niK
deti
nU/
ep
oru
E_
21/
30/
02
02
_0
29
51
4_
LSI
_IP
E
EPI_ISL_416024_2020/03/11_Europe/UnitedKingdom/Wales
EPI_ISL_416028_2020/03/03_SouthAmerica/Brazil/SaoPaulo/SaoPauloEP
I_ISL_416029_2020/03/04_SouthAmerica/Brazil/SaoPaulo/SaoPaulo
EPI_ISL_
416031_2
020/03/0
4_SouthA
merica/B
razil/Sa
oPaulo/S
aoPaulo
EPI_ISL_41
6032_2020/
03/04_Sout
hAmerica/B
razil/Dist
ritoFedera
l/Brasilia
olu
aP
oa
S/ol
ua
Po
aS/liz
arB/
acire
mA
htu
oS
_3
0/3
0/0
20
2_
33
06
14
_L
SI_I
PE
EPI_ISL_416034_2020/03/04_SouthAmerica/Brazil/SaoPaulo/SaoPaulo
EPI_ISL_416035_2020/03/05_SouthAmerica/Brazil/SaoPaulo/SaoPaulo
EPI_ISL_416036_2020/03/05_SouthAmerica/Brazil/SaoPaulo/SaoPaulo
uo
hzg
na
H/a
nih
C/ai
sA
_6
2/1
0/0
20
2_
24
06
14
_L
SI_I
PE
EPI_ISL_416044_2020/01/25_Asia/China/Hangzhou
EPI_ISL_416046_2020/01/24_Asia/China/Hangzhou
EPI_ISL_416047_2020/02/02_Asia/China/Hangzhou
EPI_ISL_416140_2020/03/02_Europe/Denmark/Copenhagen
EPI_ISL_416141_2020/03/03_Europe/Denmark/Copenhagen
EPI_ISL_416316_2020/01/25_Asia/China/Shanghai
EPI_ISL_416317_2020/01/25_Asia/China/Shanghai
EPI_ISL_416318_2020/01/28_Asia/China/Shanghai
EPI_ISL_416319_2020/01/28_Asia/China/Shanghai
EPI_ISL_416320_2020/01/28_Asia/China/Shanghai
EPI_ISL_416321_2020/01/28_Asia/China/Shanghai
EPI_ISL_416322_2020/01/29_Asia/China/Shanghai
EPI_ISL_416323_2020/01/29_Asia/China/Shanghai
EPI_ISL_416324_2020/01/29_Asia/China/Shanghai
EPI_IS
L_4163
25_202
0/02/0
2_Asia
/China
/Shang
hai
EPI_ISL_416326_2020/01/30_Asia/China/Shanghai
EPI_ISL_416330_2020/02/02_Asia/China/Shanghai
EPI_ISL_416332_2020/01/30_Asia/China/Shanghai
EPI_ISL_416333_2020/01/30_Asia/China/Shanghai
EPI_ISL_416334_2020/02/06_Asia/China/Shanghai
EPI_ISL_416335_2020/02/02_Asia/China/Shanghai
EPI_ISL_416336_2020/02/01_Asia/China/Shanghai
EPI_ISL_416337_2020/02/04_Asia/China/Shanghai
EPI_ISL_416338_2020/02/01_Asia/China/Shanghai
EPI_ISL_416339_2020/02/03_Asia/China/Shanghai
EPI_ISL_416340_2020/02/02_Asia/China/Shanghai
EPI_ISL_416341_2020/02/01_Asia/China/Shanghai
EPI_ISL_416342_2020/02/04_Asia/China/Shanghai
EPI_ISL_416353_2020/02/04_Asia/China/Shanghai
EPI_ISL_416355_2020/02/04_Asia/China/Shanghai
EPI_ISL_416361_2020/02/01_Asia/China/Shanghai
EPI_ISL_416362_2020/02/02_Asia/China/Shanghai
EPI_ISL_416363_2020/02/08_Asia/China/Shanghai
EPI_ISL_416365_2020/01/30_Asia/China/Shanghai
EPI_ISL_416366_2020/01/30_Asia/China/Shanghai
EPI_ISL_416367_2020/02/01_Asia/China/Shanghai
ia
hg
na
hS/
ani
hC/
ais
A_
10/
20/
02
02
_0
73
61
4_
LSI
_IP
E
EPI_ISL_416372_2020/02/01_Asia/China/Shanghai
EPI_ISL_416373_2020/02/07_Asia/China/Shanghai
EPI_ISL_416376_2020/02/05_Asia/China/Shanghai
EPI_ISL_416377_2020/02/07_Asia/China/Shanghai
ia
hg
na
hS/
ani
hC/
ais
A_
10/
20/
02
02
_9
73
61
4_
LSI
_IP
E
EPI_ISL_416382_2020/02/08_Asia/China/Shanghai
EPI_ISL_416387_2020/02/01_Asia/China/Shanghai
EPI_ISL_416389_2020/01/21_Asia/China/Shanghai
EPI_ISL_416390_2020/01/31_Asia/China/Shanghai
EPI_ISL_416397_2020/02/02_Asia/China/Shanghai
EPI_ISL_416398_2020/02/02_Asia/China/Shanghai
EPI_ISL_416399_2020/02/13_Asia/China/Shanghai
EPI_ISL_416401_2020/02/02_Asia/China/Shanghai
EPI_ISL_416402_2020/02/11_Asia/China/Shanghai
EPI_ISL_416403_2020/02/02_Asia/China/Shanghai
EPI_ISL_416405_2020/02/02_Asia/China/Shanghai
EPI_ISL_416406_2020/02/15_Asia/China/Shanghai
EPI_ISL_416407_2020/02/15_Asia/China/Shanghai
EPI_ISL_416409_2020/02/02_Asia/China/Shanghai
EPI_ISL_416411_2020/01/25_Oceania/Australia/Victoria/Melbourne
EPI_ISL_416412_2020/03/02_Oceania/Australia/Victoria/Melbourne
EPI_ISL_416415_2020/02/08_Oceania/Australia/Victoria/Melbourne
EPI_ISL_416425_2020/02/03_Asia/China/Hangzhou
EPI_ISL_41
6426_2020/
03/17_Euro
pe/Hungary
/Budapest
EPI_ISL_416428_2020/03/07_Asia/Vietnam/Quangning
EPI_ISL_416429_2020/02/11_Asia/Vietnam/Vinhphuc
EPI_ISL_416430_2020/03/06_Asia/Vietnam/Hanoi
EPI_ISL_416431_2020/03/06_Asia/Vietnam/Hanoi
EPI_ISL_416432_2020/03/07_Asia/SaudiArabia/Riyadh
EPI_ISL_416433_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416434_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416435_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416436_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416437_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416438_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416439_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416440_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416441_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416442_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416443_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416444_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416445_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416446_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416447_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416448_2020/03/11_NorthAmerica/USA/Washington
EPI_ISL_416451_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416452_2020/03/10_NorthAmerica/USA/Washington
EPI_ISL_416454_2020/03/06_NorthAmerica/USA/Washington
EPI_ISL_416455_2020/03/07_NorthAmerica/USA/Washington
EPI_ISL_416457_2020/03/18_NorthAmerica/USA/California/SanDiegoCounty
EPI_ISL_416458_2020/03/02_Asia/Kuwait/Hawali
ytn
uo
Cg
niK/
not
gni
hsa
W/A
SU/
acire
mA
htro
N_
92/
20/
02
02
_0
64
61
4_
LSI
_IP
Eyt
nu
oC
gni
K/n
otg
nih
sa
W/A
SU/
acir
em
Ahtr
oN
_9
2/2
0/0
20
2_
16
46
14
_L
SI_I
PE
EPI_ISL_416465_2020/02/29_NorthAmerica/USA/Washington/KingCounty
ytn
uo
Cg
niK/
not
gni
hsa
W/A
SU/
acire
mA
htro
N_
30/
30/
02
02
_6
64
61
4_
LSI
_IP
E
EPI_ISL_416467_2020/03/02_Europe/Belgium/Holsbeek
EPI_ISL_416468_2020/03/02_Europe/Belgium/Holsbeek
EPI_ISL_416469_2020/03/03_Europe/Belgium/Kessel-Lo
EPI_ISL_416470_2020/03/02_Europe/Belgium/CouthuinEPI_ISL_416471_2020/03/02_Europe/Belgium/Kessel-Lo
EPI_ISL_416472_2020/03/02_Europe/Belgium/Kessel-Lo
EPI_ISL_416473_2020/01/26_Asia/China/Hangzhou
EPI_ISL_416474_2020/01/28_Asia/China/Hangzhou
EPI_ISL_416475_2020/03/03_Europe/Belgium/Leuven
EPI_ISL_416476_2020/03/02_Europe/Belgium/Holsbeek
EPI_ISL_416477_2020/03/08_Asia/Georgia/Tbilisi
EPI_ISL_416478_2020/03/14_Asia/Georgia/Tbilisi
EPI_ISL_416479_2020/03/05_Asia/Georgia/Tbilisi
EPI_IS
L_4164
80_202
0/03/1
1_Asia
/Georg
ia/Tbi
lisi
EPI_ISL_4164
81_2020/03/1
6_Asia/Georg
ia/Tbilisi
EPI_IS
L_4164
82_202
0/03/1
3_Asia
/Georg
ia/Tbi
lisi
eiksro
go
nol
eiZ/
dn
alo
P/e
por
uE
_3
0/3
0/0
20
2_
88
46
14
_L
SI_I
PE
EPI_ISL_4164
89_2020/03/1
5_NorthAmeri
can/USA/WI/D
anecounty
EPI_ISL_416491_2020/03/15_NorthAmerica/USA/WI/Danecounty
EPI_ISL_
416493_2
020/03/0
8_Europe
/France/
HautsdeF
rance/Ch
teau-Thi
erry
EPI_ISL_416494_202
0/03/04_Europe/Fra
nce/Normandie/Roue
n
EPI_ISL_416495_2020/03/10_Europe/France/HautsdeFrance/Compigne
EPI_ISL_416496_2020/03/10_Europe/France/HautsdeFrance/Compigne
EPI_ISL_416497_2020/03/10_Europe/France/Hautsd
eFrance/Compigne
EPI_ISL_416498_2020/03/11_Europe/France/IledeFrance/Garches
EPI_ISL_
416499_2
020/03/1
1_Europe
/France/
IledeFra
nce/Long
jumeau
EPI_ISL_416502_2020/02/26_Europe/France/Bretagne/Rennes
EPI_IS
L_4165
03_202
0/03/0
1_Euro
pe/Fra
nce/Br
etagne
/Renne
s
EPI_ISL_416505_2020/03/02_Europe/France/Bretagne/Rennes
EPI_ISL_416506_2020/03/03_Europe/France/Bretagne/Rennes
EPI_IS
L_4165
07_202
0/03/0
5_Euro
pe/Fra
nce/Br
etagne
/Renne
s
EPI_ISL_416509_2020/03/06_Europe/France/Bretagne/Rennes
EPI_ISL_416510_2020/03/06_Europe/France/Bretagne/Rennes
EPI_ISL_416511_2020/03/07_Europe/France/Bretagne/Rennes
EPI_ISL_416512_2020/03/07_Europe/France/Bretagne/Rennes
EPI_ISL_416513_2020/03/07_Europe/France/Bretagne/Rennes
EPI_ISL_416514_2020/03/15_Oceania/Australia/Victoria/Melbourne
EPI_ISL_416519_2020/03/02_Oceania/NewZealand/Auckland
EPI_ISL_416521_2020/03/10_As
ia/SaudiArabia
Tree scale: 0.0001
Inner Color: Continents
Asia
Europe
NorthAmerica
Oceania
SouthAmerica
Outer Clolors: Countries
Australia
Belgium
Brazil
Cambodia
Canada
Chile
China
Denmark
Finland
France
Georgia
Germany
HongKong_China
Hungary
India
Ireland
Italy
Japan
Kuwait
Luxembourg
Mexico
Nepal
Netherlands
NewZealand
Poland
Portugal
SaudiArabia
Singapore
SouthKorea
Sweden
Switzerland
Taiwan_China
Thailand
UnitedKingdom
UnitedStates
Vietnam
Shape Plot: Haplotype
H1
H2
H3
H4
H5
H6
Other
Cluster 2 Cluster 1
Cluster 3Cluster 2
.CC-BY-NC-ND 4.0 International licensewas not certified by peer review) is the author/funder. It is made available under aThe copyright holder for this preprint (whichthis version posted May 15, 2020. . https://doi.org/10.1101/2020.04.24.058933doi: bioRxiv preprint
1 2 3 4 5 6 7 8 9
9999
9898
99
9898
Block 1 (27 kb)1 2 3 4 5 6 7 8 9
9799
9799
9999
9999
9998
9999
9997
9797
9898
9999
9898
98
98
98
9998
99
Block 1 (27 kb)
.423
.288
.148
.122
.423
.288
.148
.122
C C C C C A C A T
T T C T C A C G T
C C T C C A C A C
C C T C T G T A C
.454
.324
.123
.063
.454
.324
.123
.063
A BC
241T
C30
37T
C87
82T
C14
408T
C17
747T
A178
58G
C18
060T
A234
03G
T281
44C
C24
1T
C30
37T
C87
82T
C14
408T
C17
747T
A178
58G
C18
060T
A234
03G
T281
44C
1 2 3 4 5 6 7 8 91 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 91 2 3 4 5 6 7 8 9
T T C T C A C G T
C C C C C A C A T
C C T C T G T A C
C C T C C A C A C
.CC-BY-NC-ND 4.0 International licensewas not certified by peer review) is the author/funder. It is made available under aThe copyright holder for this preprint (whichthis version posted May 15, 2020. . https://doi.org/10.1101/2020.04.24.058933doi: bioRxiv preprint
18060T 23403G 28144C
14408T 17747T 17858G
241T 3037T 8782T
0.00
0.25
0.50
0.75
1.00
0.00
0.25
0.50
0.75
1.00
0.00
0.25
0.50
0.75
1.00
Freq
uenc
y of
eac
h sp
ecifi
c si
te
TTCTCACGT(H1) CCCCCACAT(H2) CCTCTGTAC(H3) CCTCCACAC(H4)
CCCA TTTG CAC TGT
0.00
0.25
0.50
0.75
1.00
0.00
0.25
0.50
0.75
1.00
Freq
uenc
y of
major
hap
loty
pes
of th
e 4,
3 an
d 9
spec
ific
site
s
countrySouthKoreaChinaJapanUSACanadaAustraliaSpainUKGermanyNetherlandAustriaPortugalBelgiumItalyFranceSwitzerlandBrazil
Asia
NorthAmerica Ocieania
Europe
SouthAmerica
A
B
countrySouthKoreaChinaJapanUSACanadaAustraliaSpainUKGermanyNetherlandAustriaPortugalBelgiumItalyFranceSwitzerlandBrazil
Asia
NorthAmerica Ocieania
Europe
SouthAmerica
Sout
hKor
eaC
hina
Japa
nU
SAC
anad
aAu
stra
liaSp
ain
UK
Ger
man
yN
ethe
rland
Aust
riaPo
rtuga
lBe
lgiu
mIta
lyFr
ance
Switz
erla
ndBr
azil
Sout
hKor
eaC
hina
Japa
nU
SAC
anad
aAu
stra
liaSp
ain
UK
Ger
man
yN
ethe
rland
Aust
riaPo
rtuga
lBe
lgiu
mIta
lyFr
ance
Switz
erla
ndBr
azil
Sout
hKor
eaC
hina
Japa
nU
SAC
anad
aAu
stra
liaSp
ain
UK
Ger
man
yN
ethe
rland
Aust
riaPo
rtuga
lBe
lgiu
mIta
lyFr
ance
Switz
erla
ndBr
azil
Sout
hKor
eaC
hina
Japa
nU
SAC
anad
aAu
stra
liaSp
ain
UK
Ger
man
yN
ethe
rland
Aust
riaPo
rtuga
lBe
lgiu
mIta
lyFr
ance
Switz
erla
ndBr
azil
Sout
hKor
eaC
hina
Japa
nU
SAC
anad
aAu
stra
liaSp
ain
UK
Ger
man
yN
ethe
rland
Aust
riaPo
rtuga
lBe
lgiu
mIta
lyFr
ance
Switz
erla
ndBr
azil
Sout
hKor
eaC
hina
Japa
nU
SAC
anad
aAu
stra
liaSp
ain
UK
Ger
man
yN
ethe
rland
Aust
riaPo
rtuga
lBe
lgiu
mIta
lyFr
ance
Switz
erla
ndBr
azil
Sout
hKor
eaC
hina
Japa
nU
SAC
anad
aAu
stra
liaSp
ain
UK
Ger
man
yN
ethe
rland
Aust
riaPo
rtuga
lBe
lgiu
mIta
lyFr
ance
Switz
erla
ndBr
azil
.CC-BY-NC-ND 4.0 International licensewas not certified by peer review) is the author/funder. It is made available under aThe copyright holder for this preprint (whichthis version posted May 15, 2020. . https://doi.org/10.1101/2020.04.24.058933doi: bioRxiv preprint
0.0
0.1
0.2
0.3
0.4
0.5
0 10000 20000 30000
H1
COL
1
2
0.0
0.1
0.2
0.3
0.4
0.5
0 10000 20000 30000
H2
COL
1
2
0.0
0.1
0.2
0.3
0.4
0.5
0 10000 20000 30000
H3
COL
1
2
0.0
0.1
0.2
0.3
0.4
0.5
0 10000 20000 30000Pos
H4
COL
1
2
A B COL other mutation sitesthe 9 specific sites
.CC-BY-NC-ND 4.0 International licensewas not certified by peer review) is the author/funder. It is made available under aThe copyright holder for this preprint (whichthis version posted May 15, 2020. . https://doi.org/10.1101/2020.04.24.058933doi: bioRxiv preprint
Australia
Austria
Belgium
Brazil
Canada
China
France
Germany
Italy
Japan
Netherlands
Portugal
South_Korea
Spain
Switzerland
USA
United_Kingdom
H1
H5
H2
H4
H3
.CC-BY-NC-ND 4.0 International licensewas not certified by peer review) is the author/funder. It is made available under aThe copyright holder for this preprint (whichthis version posted May 15, 2020. . https://doi.org/10.1101/2020.04.24.058933doi: bioRxiv preprint
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R = 0.46 , p = 0.06451
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R = 0.18 , p = 0.4799
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R = 0.33 , p = 0.1906
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R = 0.47 , p = 0.055
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R = 0.18 , p = 0.4962
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R = 0.45 , p = 0.06913
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R = 0.32 , p = 0.2105
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R = 0.18 , p = 0.4807
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R = 0.18 , p = 0.4802
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R = 0.44 , p = 0.08004
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R = 0.46 , p = 0.06523
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R = 0.45 , p = 0.07226
28144T TTTG CAC TTCTCACGT(H1)
17747C 17858A 18060C 23403G
241T 3037T 8782C 14408T
0.00 0.25 0.50 0.75 1.000.00 0.25 0.50 0.75 1.000.00 0.25 0.50 0.75 1.000.00 0.25 0.50 0.75 1.00
0.04
0.08
0.12
0.16
0.04
0.08
0.12
0.16
0.04
0.08
0.12
0.16
Frequency of 9 specific sites and haplotypes
Est
imat
ed d
eath
rat
e
.CC-BY-NC-ND 4.0 International licensewas not certified by peer review) is the author/funder. It is made available under aThe copyright holder for this preprint (whichthis version posted May 15, 2020. . https://doi.org/10.1101/2020.04.24.058933doi: bioRxiv preprint
Ka (mean)
10-3
s.e. (Ka)
10-3
Ks (mean)
10-3
s.e. (Ks)
10-3
Ka/Ks
(mean)
s.e.
(Ka/Ks) Hypothesis
P-value*
622 genomes
P-value*
3624 genomes
SARS-CoV 0.985 0.018 1.310 0.049 0.760 0.038 Ka/Ks ( SARS-CoV < SARS-CoV-2) 0.139 0.084
MERS-CoV 1.319 0.040 4.887 0.096 0.260 0.003 Ka/Ks ( MERS-CoV < SARS-CoV-2) 0.000 0.000
SARS-CoV-2 622 genomes 0.231 0.004 0.265 0.005 1.008 0.020
3624 genomes 0.287 0.002 0.298 0.002 1.094 0.010
Note: *One-sided Mann-Whitney U-test for the means of two independent samples.
.C
C-B
Y-N
C-N
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ay 15, 2020. .
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substitution rate (10-3) 95% CI (10-3) tMRCA 95% CI references
SARS-CoV 1.050 0.489, 1.654 2002/6/28 2002/1/19, 2002/11/3 this study
- 0.800, 2.380 spring of 2002 - 17
MERS-CoV 1.516 1.392, 1.632 2012/6/7 2012/6/4, 2012/6/9 this study
1.120 0.876, 1.370 2012/3 2011/12, 2012/6 18
SARS-CoV-2 1.601 1.418, 1.796 2019/9/27 2019/8/28, 2019/10/26 this study
17. Zhao Z, Li H, Wu X, Zhong Y, Zhang K, Zhang YP, et al. Moderate mutation rate in the SARS coronavirus genome and its
implications. BMC Evol Biol. 2004;4:21.
18. Cotten M, Watson SJ, Zumla AI, Makhdoom HQ, Palser AL, Ong SH, et al. Spread, circulation, and evolution of the
Middle East respiratory syndrome coronavirus. mBio. 2014;5(1).
.C
C-B
Y-N
C-N
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hichthis version posted M
ay 15, 2020. .
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bioRxiv preprint
Pos Ref Alt
Cluster 1 Cluster 2 Cluster 3
Fst Gene
region
Mutation
type
Protein
changed
codon
changed Impact
pi Major
allele frequency pi
Major
allele frequency pi
Major
allele frequency
241 C T 0.0000 C 1.0000 0.0109 C 0.9945 0.0000 T 1.0000 0.991240 5'UTR upstream NA NA MODIFIER
3037 C T 0.0000 C 1.0000 0.0109 C 0.9945 0.0000 T 1.0000 0.991240 gene-orf1ab synonymous 924F 2772ttC>ttT LOW
8782 C T 0.0000 T 1.0000 0.3863 C 0.7390 0.0000 C 1.0000 0.582113 gene-orf1ab synonymous 2839S 8517agC>agT LOW
14408 C T 0.0000 C 1.0000 0.0055 C 0.9973 0.0000 T 1.0000 0.995609 gene-orf1ab missense 4715P>L 14144cCt>cTt MODERA
17747 C T 0.0735 T 0.9620 0.0000 C 1.0000 0.0000 C 1.0000 0.975245 gene-orf1ab missense 5828P>L 17483cCt>cTt MODERA
17858 A G 0.0497 G 0.9747 0.0000 A 1.0000 0.0000 A 1.0000 0.983573 gene-orf1ab missense 5865Y>C 17594tAt>tGt MODERA
18060 C T 0.0000 T 1.0000 0.0164 C 0.9918 0.0000 C 1.0000 0.976100 gene-orf1ab synonymous 5932L 17796ctC>ctT LOW
23403 A G 0.0000 A 1.0000 0.0164 A 0.9918 0.0000 G 1.0000 0.986895 gene-S missense 614D>G 1841gAt>gGt MODERA
28144 T C 0.0000 C 1.0000 0.3915 T 0.7335 0.0000 T 1.0000 0.578530 gene-ORF8 missense 84L>S 251tTa>tCa MODERA
.C
C-B
Y-N
C-N
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Ka (mean) 10-3 s.e. (Ka)10-3 Ks (mean) 10-3 s.e. (Ks)10-3 Ka/Ks (mean) s.e. (Ka/Ks) Hypothesis P-value*
3624 genomes
H1 0.510 0.057 0.498 0.056 1.099 0.010 Ka/Ks ( H3 < H1) 0.000
H2 0.347 0.042 0.334 0.044 1.268 0.023 Ka/Ks ( H3 < H2) 0.000
H3 0.298 0.007 0.397 0.009 0.795 0.010 - -
H4 0.334 0.023 0.414 0.019 0.796 0.019 - -
16373 genomes
H1 0.416 0.011 0.384 0.011 1.178 0.005 Ka/Ks ( H3 < H1) 0.000
H2 0.332 0.014 0.316 0.014 1.224 0.012 Ka/Ks ( H3 < H2) 0.000
H3 0.305 0.004 0.401 0.005 0.809 0.007 - -
H4 0.354 0.010 0.477 0.009 0.749 0.010 - -
Note: *One-sided Mann-Whitney U-test for the means of two independent samples.
.C
C-B
Y-N
C-N
D 4.0 International license
was not certified by peer review
) is the author/funder. It is made available under a
The copyright holder for this preprint (w
hichthis version posted M
ay 15, 2020. .
https://doi.org/10.1101/2020.04.24.058933doi:
bioRxiv preprint