Chikungunya
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Chikungunya [[Image:{{{Image}}}|190px|center|]]
ICD-10 A92.0
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ICD-9 065.4, 066.3
OMIM {{{OMIM}}}
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DiseasesDB {{{DiseasesDB}}}
?Chikungunya Virus
Virus classification
Group: Group IV ((+)ssRNA)
Family: Togaviridae
Genus: Alphavirus
Species: Chikungunya virus
Chikungunya is a relatively rare form of viral fever caused by an alphavirus that is spread by mosquito bites from the Aedes aegypti mosquito. The name is derived from the Swahili word meaning "that which bends up" in reference to the stooped posture developed as a result of the arthritic symptoms of the disease.
The Aedes aegypti mosquitoThis disease was first described in Tanzania, Africa in 1952. An outbreak of Chikungunya was discovered in Port Klang in Malaysia in 1999 affecting 27 people [1].
A serological test for Chikungunya is available from the University of Malaya in Kuala Lumpur, Malaysia.
It is closely related to O'nyong'nyong virus. (PMID 15891138)
In February 2005, an outbreak was recorded on the French island of Réunion in the Indian Ocean. As of February 2, 2006, 50,000 residents have been hit by the virus (out of a population of about 777,000). In neighboring Mauritius, 5000 islanders have been hit in 2005.[2]
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Symptoms
The symptoms of this disease include fever which can reach 39 °C, a rash typically described as petechial or maculopapular usually involving the limbs and trunk, and arthralgia or arthritis affecting multiple joints which can be debilitating in severity. There can also be headache, conjunctival injection and slight photophobia.
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Treatment
There is no specific treatment for Chikungunya. The illness is usually self-limiting and will resolve with time. Symptomatic treatment is recommended after excluding other more dangerous diseases.
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External links
Good article on Chikungunya
Chikungunya fever epidemic in Reunion Island (FR)
