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West Nile Virus
Human
2012
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West Nile Virus:  USA - Human
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 2012 Data as of 3 am, Sep 18, 2012*
These data are provisional and may be revised or adjusted in the future.
Alabama20
Arizona48
Arkansas39
California126
Colorado75
Connecticut12
Delaware1
District of Columbia2
Florida41
Georgia37
Idaho11
Illinois94
Indiana47
Iowa11
Kansas26
Kentucky6
Louisiana147
Maryland30
Massachusetts14
Michigan159
Minnesota59
Mississippi172
Missouri12
Montana3
Nebraska64
New Hampshire1
New Jersey22
New Mexico28
New York52
North Carolina5
North Dakota70
Ohio79
Oklahoma138
Oregon1
Pennsylvania18
Rhode Island1
South Carolina18
South Dakota158
Tennessee19
Texas1225
Utah3
Virginia9
Washington3
West Virginia3
Wisconsin23
Wyoming6
Cumulative Total Entire Country: 3,138
Did You Know?
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Map Legend
* Data demonstrates local jurisdiction of residence and not necessarily the locale where the infection was acquired.
** States and counties in yellow are those in which virus activity has been reported historically, but no positive test results have been reported or no surveillance has occurred this year.