Migratory birds usually travel the same routes in their annual migrations. In the Northern Hemisphere, birds begin moving south during August and September of each year.
Has highly pathogenic avian influenza (HPAI) strain H5N1 affected migratory birds differently from other avian influenza viruses in the past?
Yes. In May 2005, highly pathogenic avian influenza (HPAI) H5N1 was detected for the first time in wild birds at Lake Qinghai, in China, where bar-headed geese (Anser indicus) died.
There are no documented cases of wild birds directly transmitting avian influenza to people, and there is no indication that waterfowl or other wild birds hunted in the United States carry highly pathogenic avian influenza (HPAI) H5N1.
Pandemicflu.govUSGS National Wildlife Health CenterUSGS Alaska Science C
The USGS actively monitors for Avian Influenza (Bird Flu).
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