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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, Dec 11, 2012*
These data are provisional and may be revised or adjusted in the future.
Alabama51
Arizona125
Arkansas63
California451
Colorado131
Connecticut21
Delaware9
District of Columbia8
Florida65
Georgia78
Idaho17
Illinois282
Indiana75
Iowa31
Kansas45
Kentucky6
Louisiana335
Maine1
Maryland46
Massachusetts30
Michigan202
Minnesota70
Mississippi249
Missouri20
Montana6
Nebraska186
Nevada8
New Hampshire1
New Jersey46
New Mexico46
New York107
North Carolina6
North Dakota89
Ohio121
Oklahoma187
Oregon3
Pennsylvania50
Rhode Island4
South Carolina29
South Dakota203
Tennessee32
Texas1739
Utah5
Vermont3
Virginia29
Washington4
West Virginia9
Wisconsin56
Wyoming7
Cumulative Total Entire Country: 5,387
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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.