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West Nile Virus
Human
2013
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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 2013 Data as of 3 am, Jan 07, 2014*
These data are provisional and may be revised or adjusted in the future.
Alabama7
Arizona41
Arkansas18
California368
Colorado318
Connecticut4
Delaware3
District of Columbia1
Florida5
Georgia6
Idaho40
Illinois116
Indiana22
Iowa44
Kansas85
Kentucky3
Louisiana54
Maryland16
Massachusetts8
Michigan36
Minnesota79
Mississippi45
Missouri29
Montana38
Nebraska221
Nevada11
New Hampshire1
New Jersey11
New Mexico38
New York26
North Carolina3
North Dakota123
Ohio24
Oklahoma85
Oregon2
Pennsylvania11
Rhode Island1
South Carolina7
South Dakota149
Tennessee24
Texas172
Utah7
Vermont2
Virginia6
Washington1
Wisconsin22
Wyoming41
Cumulative Total Entire Country: 2,374
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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.