Preliminary Maps & Data for 2015
As of October 6, 2015, a total of 48 states and the District of Columbia have reported West Nile virus infections in people, birds, or mosquitoes in 2015. Overall, 1,197 cases of West Nile virus disease in people have been reported to CDC. Of these, 743 (62%) were classified as neuroinvasive disease (such as meningitis or encephalitis) and 454 (38%) were classified as non-neuroinvasive disease.
- Page last reviewed: February 12, 2015
- Page last updated: October 6, 2015
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