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Mosquito-borne Diseases

Arboviral Encephalitis Eastern Equine Encephalitis St. Louis Encephalitis Yellow Fever
Chikungunya La Crosse Encephalitis Western Equine Encephalitis
Dengue Malaria West Nile Virus

Mosquito-borne diseases include diseases caused by viruses (also called arboviruses) and parasites which are transmitted through the bite of an infected mosquito. The most commonly reported mosquito-borne illness in West Virginia is La Crosse encephalitis; however, travel-associated mosquito-borne diseases (such as dengue fever and malaria) are also reported in West Virginia residents each year. Mosquito-borne diseases are most common during the summer and fall months when mosquitoes are active. Prevention of mosquito-borne illness includes removing containers that collect water near homes (where mosquitoes lay eggs) and the regular use of mosquito repellants.

Reporting Guidlines

Mosquito complaints should be reported to your Local Health Department


Mosquito Surveillance Plan

Public Information and Brochures

Surveillance Data

Other Links


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