This page has information for healthcare providers about mosquito-borne diseases that may acquired locally or through travel.
Recent Updates
VDH Identifies a Locally Acquired Case of Dengue Virus Infection in Northern Virginia Resident - August 4, 2026
Disease-specific Information and Considerations
Locally Acquired Mosquito-borne Diseases
Eastern Equine Encephalitis
Jamestown Canyon Virus
La Crosse Encephalitis
St. Louis Encephalitis
West Nile Virus
Travel Associated Mosquito-borne Diseases
Chikungunya
Dengue Fever
Malaria
Oropouche Virus
Yellow Fever
- CDC Information about Yellow Fever
- VDH Fact Sheet about Yellow Fever
- If you suspect a patient you are evaluating has yellow fever (compatible clinical illness and recent travel from an endemic country), call the Health Department immediately for assistance.
Zika