Case Maps

Note: Maps and information below is from the CDC.

Map 1: States reporting laboratory-positive West Nile virus infection in birds, mosquitoes, animals, or humans during 2002.

Map: West Nile virus in the US, 2002

Map 2: States reporting confirmed West Nile virus infection in birds, mosquitoes, animals, or humans, 1999-2001.

map: West Nile virus in the US, 1999-2001
Note: The data presented reflect public reports by state and local health departments.

Map 3: Spread of West Nile virus by state, 1999-2002. West Nile Virus Activity in the U.S. in Birds, Horses, Mosquitoes, Animals, or Humans.

Map: Spread of West Nile Virus in the U.S.