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West Nile Virus Activity* by Time Period and State – United States, 2013 (as of January 7, 2014)

This map shows the incidence of human West Nile virus neuroinvasive disease (e.g., meningitis, encephalitis, or acute flaccid paralysis) by state for 2013 with shading ranging from 0.01-0.24, 0.25-0.49, 0.50-0.99, and greater than 1.00 per 100,000 population.

*WNV human disease cases, presumptive viremic blood donors, veterinary disease cases, or infections in mosquitoes, birds, or sentinel animals.

Data table:

Recent (from December 4 through December 31, 2013) West Nile virus activity has not been reported to CDC ArboNET from any states.

Previous (from January 1 through December 3, 2013) West Nile virus activity has been reported to CDC ArboNET from the following states: Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin and Wyoming.

 
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