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Caused by: Any 1 of 4 closely related viruses:
DEN-1, DEN-2, DEN-3, or DEN-4
Dengue Fever:Dengue : pronounced den' gee
These mosquitoes lives nearhuman habitations where they breedin even the cleanest water.
Incubation period: fever comes within8 days of mosquito bite.
If the infection is treated on time,Mortality rate get reduced
It is also known as Break Bone Fever.
Transmitter or vector of viruses:Aedes mosquito
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Dengue hemorrhagic fever (DHF)?
More severe form of dengue.
Can be fatal if unrecognized& not properly treated.
Each yearover 100 million casesof Dengue worldwide
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How dengue fever & DHF spread ?
Aedes mosquito becomes infected with dengue virus when it bites a person who has dengue or DHF
After about a week it can transmit the virus while biting a healthy person.
Dengue cannot be spread directly from person to person.
TRANSMISSIONCYCLE:
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Primarily in areas whereAedesmosquitoes live,which include most tropicalurban areas of the world.
Dengue viruses may beintroduced into areas bytravelers who become infectedwhile visiting other areas ofthe tropics where denguecommonly exists
Where can outbreaks of dengue occur?
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Risk factors of Dengue:
Central and South America
Africa
The Caribbean
Southeast Asia includingBangladesh
The Middle East
The South & Central Pacific
If you live or travelin tropical areas:
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When you at more risk?
If you've had dengue fever before.
In case of dengue fever, having antibodies to Dengue
in the blood from a previous infection actuallyincreases your risk of severe disease denguehemorrhagic fever if you're infected again.
If you are ~
younger than age 12, female White
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Symptoms:
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symptoms of the disease?Mild Dengue :
Fever for 3-5 days
Intense frontal headache
Fatigue
Muscle and join pains
Vomiting
Reduced with appetite
Dengue Hemorrhagic Fever:
Bleeding from the nose
Frequently vomiting blood or without
blood Excessive thirst
Difficulty in breathing
Fainting
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What is the treatment for
dengue?There is no specific medication fortreatment of a dengue infection.
Persons who think they have dengueshould use pain relievers&avoid aspirin.
Rest
Drink plenty of fluids
Consult a physician.
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Is there an effective treatment for denguehemorrhagic fever (DHF)?
As with dengue, there is nospecific medication for DHF.
It can however be effectivelytreated by fluid replacementtherapy if an early clinicaldiagnosis is made.
There is no vaccine againstdengue fever.
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Environmental Management &
Source Reduction Methods:
Detection & elimination of mosquito breedingsources like discarded tires,
Coconut shells , empty cans, Household &garden utensils
Management of roof tops, porticos & sunshades Proper covering of stored water
Reliable water supply
Observation of weekly dry day
1. Preventing breeding of mosquitoes and larvae&
2. preventing mosquito bites
Prevent breeding of mosquitoes & larvae:
ways to prevent Dengue:
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Prevention of Dengue:
HEALTH EDUCATION:
Impart knowledge to common peopleregarding the disease & vector through
various media sources like TV, Radio,
Cinema slides, etc.
COMMUNITY PARTICIPATION:
Sensitizing and involving the community for
detection ofAedesbreeding places & theirelimination.
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