Published in TB and Outbreaks Week, October 17th, 2000
Previously, all tests for West Nile virus in Pennsylvania had been negative. The U.S. Geological Survey (USGS) National Wildlife Health Center in Madison, Wisconsin, verified the presence of West Nile virus in two dead crows - one from Levittown, Bucks County, collected September 8, 2000, and the second from Wayne, Chester County, collected September 13, 2000.
The U.S. Department of Health uses the USGS Health Center as a backup laboratory for testing. "No people have tested positive for West...
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