Image: West Nile virus cases in United States map- 2004
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West_Nile_virus_cases_in_United_States_map-_2004.gif (580 × 475 pixels, file size: 32 KB, MIME type: image/gif)
Description: Map of the United States showing confirmed cases of West Nile virus infection as of Jun 22, 2005
Title: West Nile virus cases in United States map- 2004
Credit: http://diseasemaps.usgs.gov/2004/images/us_human_map_weekfinal.gif
Author: United States Geological Survey
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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