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West Nile Virus
Human
2015
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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 2015 Data as of 3 am, Jan 14, 2015*
These data are provisional and may be revised or adjusted in the future.
Alabama2
Arizona104
Arkansas11
California787
Colorado114
Connecticut6
District of Columbia3
Florida16
Georgia12
Idaho18
Illinois40
Indiana9
Iowa15
Kansas51
Kentucky1
Louisiana111
Maryland6
Massachusetts6
Michigan1
Minnesota21
Mississippi43
Missouri13
Montana5
Nebraska140
Nevada3
New Jersey7
New Mexico24
New York22
North Dakota22
Ohio11
Oklahoma18
Oregon8
Pennsylvania12
South Carolina2
South Dakota57
Tennessee15
Texas353
Utah2
Virginia7
Washington12
Wisconsin7
Wyoming5
Cumulative Total Entire Country: 2,122
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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.