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West Nile Virus can now be found almost everywhere in the United States.

Cumulative 2009 Data as of 3 am, Dec 08, 2009*

National Cumulative Human Disease Cases:663

These data are provisional and may be revised or adjusted in the future.

* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.

Data table:

For further information or questions regarding the data on this page, please contact the Centers for Disease Control and Prevention:    Phone: (970) 221-6400   E-mail: dvbid@cdc.gov
For issues regarding this web site, please use the contact link below.

• U.S. Department of the Interior
• U.S. Geological Survey

http://diseasemaps.usgs.gov/wnv_us_human.html
Contact:   WNVM Web Team
This page last modified:  Tuesday December 08, 2009 EST

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Maps detailing county-level human, mosquito, veterinary, avian and sentinel data are published each week on the collaborative USGS/CDC West Nile virus web site: http://westnilemaps.usgs.gov/

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