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West Nile Virus Activity by State – United States, 2014 (as of July 22, 2014)

This map shows the incidence of human West Nile virus neuroinvasive disease (e.g., meningitis, encephalitis, or acute flaccid paralysis) by state for 2014.  West Nile virus infections in humans have been reported to CDC ArboNET from the following states: Arizona, California, Colorado, Georgia, Iowa, Louisiana, Mississippi, Missouri, Nebraska, New Mexico, Oklahoma, South Dakota, Tennessee, Texas, and Wisconsin. WNV Non-human activity showing in Alabama, California, Colorado, Florida, Idaho, Illinois, Indiana, Louisiana, Massachusetts, Michigan, Minnesota, Nebraska, New Jersey, New York, Pennsylvania, Tennessee, Texas, Utah, Wisconsin, 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: Alabama, California, Colorado, Connecticut, Florida, Idaho, Illinois, Indiana, Louisiana, Massachusetts, Michigan, Minnesota, Mississippi, Nebraska, New Jersey, New York, Pennsylvania, South Dakota, Tennessee, Texas, Utah, Washington, Wisconsin, and Wyoming. 

West Nile virus infections in humans have been reported to CDC ArboNET from the following states: Arizona, California, Colorado, Georgia, Iowa, Louisiana, Mississippi, Missouri, Nebraska, New Mexico, Oklahoma, South Dakota, Tennessee, Texas, and Wisconsin.

 
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