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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.
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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