Preliminary Maps & Data for 2018
CDC Disease Maps
As of November 13, 2018, a total of 49 states and the District of Columbia have reported West Nile virus infections in people, birds, or mosquitoes in 2018. Overall, 2,323 cases of West Nile virus disease in people have been reported to CDC. Of these, 1,428 (61%) were classified as neuroinvasive disease (such as meningitis or encephalitis) and 895 (39%) were classified as non-neuroinvasive disease.
- Page last reviewed: November 14, 2018
- Page last updated: November 14, 2018
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