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West Nile Virus

West Nile Virus is an infectious agent of the family Flaviviridae that is primarily transmitted by the bite of an infected mosquito.

Department of Health Data

West Nile Virus Fact Sheet for Pennsylvania (PDF)

External Data Sources

Surveillance Data and Maps (PA West Nile Virus Control Program)

West Nile Virus - Statistics and Maps (CDC)

Animal Health Monitoring & Surveillance (USDA)