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CHIKUNGUNYA
About chikungunya virus
Symptoms
Diagnostic challenges
RISK TO TRAVELLERS
Global outbreaks
Returning travellers
LONG-TERM IMPACT
STAY UP TO DATE
FR
HOME
CHIKUNGUNYA
About chikungunya virus
Symptoms
Diagnostic challenges
RISK TO TRAVELLERS
Global outbreaks
Returning travellers
LONG-TERM IMPACT
STAY UP TO DATE
FR
FR
CHIKUNGUNYA
ABOUT CHIKUNGUNYA VIRUS (CHIKV)
The name “
chikungunya
” comes from a word in the African Kimakonde language meaning “
to
become contorted
”.
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Chikungunya is caused by the chikungunya virus, an RNA virus in the alphavirus genus of the family Togaviridae.
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The virus was first identified in Tanzania in
1952.
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CHIKV is the most well-known member of the family of
arthritogenic alphaviruses.
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TRANSMISSION
PRIMARY VECTOR
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Aedes aegypti
and
Aedes albopictus
BITING HABITS
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At dawn and dusk
Indoors or outdoors
ONE BITE MAY BE ALL IT TAKES TO PERPETUATE THE CYCLE
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An uninfected
mosquito feeds on
a person who has
CHIKV
The virus then
replicates in this
mosquito over
several days
The infected mosquito
can then transmit the
virus into a new human
host who can later go on
to infect other mosquitoes,
perpetuating the cycle.
SYMPTOMS