West Nile Virus Activity by State – United States, 2014 (as of July 29, 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, Iowa, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Jersey, New Mexico, New York, North Dakota, Ohio, 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, New York, Oklahoma, South Dakota, Tennessee, Texas, and Wisconsin.