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the Disease Reporting System Internet (DRSi). It also describes signs and symptoms of Chikungunya infection.  As of February 2015 there have been 121 Chikungunya (CHIK) cases among DoD healthcare beneficiaries reported through the DRSI. Chikungunya fever is caused by infection with the CHIKV an alphavirus of the Togavirdae family. All DoD Cases were contracted OCONUS.  Just the facts  •	Since 2013, 46 countries or territories in the Americas have reported 2,006,363 chikungunya cases. •	The CDC has not reported new imported CHIKV cases in the United States since January 12, 2016. •	The virus is commonly transmitted to people via the bite of an infected mosquito of the genus Aedes (A. Aegypti or A. albopictus). •	Long lasting immunity seems to result after recovery from the infection but there is no vaccine available to prevent illness due to CHIKV infection.  For more information on Chikungunya guidance on detecting and reporting DoD cases, visit Health.mil/AFHSB.

This infographic describes the number of Chikungunya cases among DoD beneficiaries reported through the Disease Reporting System Internet (DRSi). It also describes signs and symptoms of Chikungunya infection.

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Armed Forces Health Surveillance Branch | Preventing Mosquito-Borne Illnesses | Chikungunya | Mosquito-Borne Illnesses

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