West Nile Virus Activity by State 2018
West Nile Virus Activity by State – United States, 2018 (as of July 10, 2018)
*WNV human disease cases or presumptive viremic blood donors. Presumptive viremic blood donors have a positive screening test which has not necessarily been confirmed.
†WNV veterinary disease cases, or infections in mosquitoes, birds, or sentinel animals.
Data table: WNV infections in mosquitoes, birds, sentinel animals, or veterinary animals have been reported to CDC ArboNET from the following states: Arizona, California, Connecticut, Delaware, Florida, Idaho, Illinois, Indiana, Iowa, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, Missouri, New Jersey, New York, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Dakota, Texas, Utah, Vermont, Washington, West Virginia, and Wisconsin.
West Nile virus infections in humans have been reported to CDC ArboNET from the following states: Alabama, California, New York, North Dakota, Oklahoma, and South Dakota.
- Page last reviewed: July 11, 2018
- Page last updated: July 11, 2018
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