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West Nile Virus
Human
2008
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West Nile Virus:  District of Columbia - Human
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Map Scalebar 7 km
Cumulative 2008 Data as of 3 am, Nov 04, 2008*
These data are provisional and may be revised or adjusted in the future.
[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]
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Map Legend
* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.