[USGS Logo]
West Nile Virus
Human
2014
Picture of Human
USGS Logo Banner
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 2014 Data as of 3 am, Aug 27, 2014*
These data are provisional and may be revised or adjusted in the future.
Arizona16
Arkansas2
California93
Colorado19
District of Columbia1
Georgia3
Idaho4
Illinois1
Indiana2
Iowa5
Kansas1
Louisiana43
Massachusetts1
Minnesota3
Mississippi14
Missouri1
Montana1
Nebraska13
New Jersey2
New York2
North Dakota3
Ohio2
Oklahoma2
Pennsylvania2
South Dakota22
Tennessee2
Texas30
Washington3
Wisconsin2
Wyoming2
Cumulative Total Entire Country: 297
NEW Dynamic Map Viewer
You can also navigate to Adjacent States by clicking on them.
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.