Published in Medical Letter on the CDC and FDA, February 22nd, 2004
In a study from the United States, "Serum samples obtained from 51 free-ranging black bears (Ursus americanus) in northwestern New Jersey in February and March 2002 were analyzed for neutralizing antibodies to West Nile virus (WNV) and St. Louis encephalitis virus."
"Three (6%) of the black bears tested positive for WNV-neutralizing antibodies," according to A. Farajollahi and coauthors at Rutgers State University. "One additional sample was positive for flavivirus-neutralizing antibodies but could not be differentiated for a specific virus type."
"This is the first report of WNV infection...
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