The yellow fever mosquito, Aedes aegypti, has been detected in Fresno County.
This mosquito is not native to California and is an efficient carrier of diseases such as dengue, yellow fever, and chikungunya. No illnesses associated with this mosquito have been reported so far.
Aedes aegypti is a small, dark mosquito with white markings and banded legs. It may be active around dusk and dawn but bites most often during the day and often bites indoors.
Fresno County residents are urged to:
- Report mosquito bites received during the day.
- Report mosquitoes which match the description above.
Public Health Alert.pdf (English) Aviso de Salud Publica.pdf
More info from the California Department of Public Health
More info from the Centers for Disease Control and Prevention