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West Nile Virus
Bird
2011
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West Nile Virus:  USA - Bird
Washington Washington Washington Montana Maine Maine North Dakota South Dakota Wyoming Wisconsin Wisconsin Idaho Vermont Minnesota Oregon New Hampshire Iowa Massachusetts Massachusetts Massachusetts Nebraska New York New York New York New York Pennsylvania Connecticut Rhode Island Rhode Island Rhode Island New Jersey Indiana Nevada Utah California California California California California Ohio Illinois District of Columbia Delaware West Virginia Maryland Maryland Maryland Maryland Colorado Kentucky Kentucky Kansas Virginia Virginia Virginia Missouri Arizona Oklahoma North Carolina North Carolina North Carolina North Carolina North Carolina North Carolina Tennessee Texas Texas Texas Texas Texas Texas New Mexico Alabama Mississippi Georgia Georgia South Carolina South Carolina Arkansas Louisiana Louisiana Louisiana Louisiana Florida Florida Florida Florida Florida Florida Florida Michigan Michigan Michigan Michigan Michigan
Map Scalebar 1000000 m
Cumulative 2011 Data as of 3 am, Apr 17, 2012*
These data are considered the final 2011 data as of April 17,2012.
Alabama4
California688
Delaware16
District of Columbia5
Florida1
Georgia1
Illinois21
Indiana2
Maryland7
Michigan14
Minnesota4
Nebraska2
Nevada2
New Jersey42
Pennsylvania49
Texas13
Vermont16
Wisconsin15
Cumulative Total Entire Country: 902
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Map Legend
* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.