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