1 10/2007 Institut Pasteur de Nouvelle-Calédonie

Response to pandemic (H1N1) 2009New Caledonia’s experience

Dr Ann-Claire GOURINAT

Institut Pasteur de Nouvelle-Calédonie

National Influenza Centre

Institut Pasteur de Nouvelle-Calédonie

New Caledonian influenza particular background

• French territory located in the Pacific, 230 000 inhabitants

• Regularly confronted with the south hemisphere seasonal influenza epidemic (june-august)

• NC regularly confronted with the north hemisphere seasonal influenza epidemic (december-february)

• Many exchanges with Autralia and NZ

Institut Pasteur de Nouvelle-Calédonie

Health authorities strategie and evolution of the (H1N1) pandemia:

- Airport screening (thermal camera)

- Symptomatic travellers : isolation / laboratory investigation

- Exposed travellers : self health monitoring and illness reporting

May June July August

26 June :- First positive case (NZ traveller)- isolation + oseltamivir- prophylaxis for contact- cruise ship sreening !

13 July :- First community case in Noumea- isolation home/hotel + oseltamivir- opening Influenza treatment centre (2)-

- First school closure- ICU cases

- Absenteeism workplace (mother stay home to look after childs)- Stop school closure- Oseltamivir prescription:

. GP

. Risk factors, severe cases

- End of airport screening

Institut Pasteur de Nouvelle-Calédonie

Data on pandemic (H1N1) 2009 as at 14 August

Pandemic (H1N1) 2009 cases

0

20

40

60

80

100

18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33*

mai juin juillet août

semaines

no

mb

re d

e ca

s

CL

CLCI

imp10/ 07/ 09

(fi n sem 28) :

prélèvts chez

seulement certains cas

liés aux voyages et

certains cas

communautaires

02/ 05/ 09

(sem 18) :

début prélèvts chez

tous les cas possibles

(cas liés aux voyages)

Pa

• 311 cases (H1N1) pandemic confirmed :

• 45 imported : 28 Australia, 14 NZ, 1 Philippines, 1 Fidji, 1 de French Polynesia

• 10 cases related to imported (CLCI)

• 250 community cases (CL)

• 409 negatives with 24 A seasonnal flu (H3N2/H1N1)

720 Samples tested from May 2009 (CDC’s RT-PCR) :

Institut Pasteur de Nouvelle-Calédonie

Organization of the Sentinel Network and Flu Center treatment (FCT)

IPNCIPNC- FCT and Hospital samples : RT-PCR - Sentinel centers and pediatrics

samples : RT-PCR and IF (A and B influenza, RSV, ADV, PIV3)

- - ITC (2 in Noumea located near the main hospitals)- sentinel centers :

Nouméa : 1South-NC: 3 North-NC: 4Loyalty Islands: 3

- Hospital

SamplesMTV +/- swabs

WHO Collaborating WHO Collaborating Centre for ReferenceCentre for Reference

and Research on and Research on InfluenzaInfluenza

Positive (H1N1) pandemic and seasonal A influenza specimens

Data : - Health authorities (DASS NC) - FluNet

- - Wallis and FutunaWallis and Futuna

Ethanol preserved samples