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Contact: Cheryl Dybas
cdybas@nsf.gov
703-292-7734
National Science Foundation

Map of North and South America Showing the Spread of the West Nile Virus

Caption: In a decade, West Nile virus spread across the United States from coast to coast.

Credit: Marm Kilpatrick

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Related news release: Emerging vector-borne diseases create new public health challenge


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