Chikungunya Virus: Causes and Distribution in the U.S.

Female Aedes aegypti mosquito

A mosquito that transmits chikungunya to humans. Photo: James Gathany
Chikungunya: What is an imported case?
Chikungunya: What is local transmission?
Aedes albopictus in the United States

Approximate distribution of Aedes albopictus in the United States
Aedes aegypti in the United States

Approximate distribution of Aedes aegypti in the United States
Chikungunya virus particles

Photo: Cynthia Goldsmith
Pair of Aedes albopictus mosquitoes

A mosquito that transmits chikungunya to humans.