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Volume 9, Number 4—April 2003

Dispatch

Early-Season Avian Deaths from West Nile Virus as Warnings of Human Infection

Stephen C. Guptill*Comments to Author , Kathleen G. Julian†, Grant L. Campbell‡, Susan D. Price*, and Anthony A. Marfin‡
Author affiliations: *U.S. Geological Survey, Reston, Virginia USA; †Hershey Medical Center, Hershey, Pennsylvania, USA; ‡Centers for Disease Control and Prevention, Atlanta, Georgia

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Figure 2

Counties reporting avian deaths and human meningitis/encephalitis caused by West Nile virus (WNV), January 1–November 30, 2002. Counties reporting human illness are outlined in red. The color within the county indicates the date when the first avian death from WNV was reported in that county. Counties that report dead birds early in the year are more likely to report subsequent disease cases in humans

Figure 2. Counties reporting avian deaths and human meningitis/encephalitis caused by West Nile virus (WNV), January 1–November 30, 2002. Counties reporting human illness are outlined in red. The color within the county indicates the date when the first avian death from WNV was reported in that county. Counties that report dead birds early in the year are more likely to report subsequent disease cases in humans

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1These figures do not include a human case in New York that was not located to the county level.

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