Average annual incidence of West Nile virus neuroinvasive disease by county, 1999 to 2020

Reproduced from: US Centers for Disease Control and Prevention. Average annual incidence of West Nile virus neuroinvasive disease reported to CDC by county, 1999-2020. Available at: https://www.cdc.gov/westnile/statsmaps/cumMapsData.html (Accessed on January 10, 2022).