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West Nile Virus Activity by State – United States, 2015 (as of July 28, 2015)

  This map shows the incidence of human West Nile virus neuroinvasive disease (e.g., meningitis, encephalitis, or acute flaccid paralysis) by state for 2015.  West Nile virus infections in humans have been reported to CDC ArboNET from the following states: Alabama, Arizona, California, Colorado, Delaware, Kansas, Louisiana, Mississippi, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, South Dakota, Tennessee, Texas, Virginia, Washington, and Wyoming.

*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: California, Colorado, Delaware, Florida, Idaho, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, Nevada, New Jersey, New York, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Dakota, Tennessee, Texas, Utah, Washington, and Wisconsin.

West Nile virus infections in humans have been reported to CDC ArboNET from the following states: Alabama, Arizona, California, Colorado, Delaware, Kansas, Louisiana, Mississippi, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, South Dakota, Tennessee, Texas, Virginia, Washington, and Wyoming.

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