Clarification of a recent report of swans with H5 and N1 subtype viruses. This release from the USDA may help you to calm fears of citizens who ask the health department about the report. Evidence of LPAI H5N1 has been found on two occasions in wild birds in the United States. In 1975 and 1986, it was detected in wild ducks. These detections occurred as part of routine sampling. LPAI H5N1 has also been detected in Canada, most recently in 2005.
Fact Sheet: AVIAN INFLUENZA Low Pathogenic H5N1 vs. Highly Pathogenic H5N1 Latest UPDATE August 14, 2006
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