Extract from news story in US re HSN1 virus.
The U.S. Department of Agriculture, the Department of the Interior and the
Department of Health and Human Services are working to further ensure the
protection of people, domestic poultry and wild birds by unveiling an enhanced
national framework for early detection of highly pathogenic avian influenza in
wild migratory birds in the United States.
This increased effort comes as the spring migration of birds is under way and
the spread of avian influenza continues across continents. Wildlife experts and
public health officials have been monitoring the spread of the highly
pathogenic HSNI since it first appeared in Hong Kong in 1997. Since 1998, the
USDA has tested more than 12,000 migratory birds in the Alaska flyway, and
since 2000, USDA has tested almost 4,000 migratory birds in the Atlantic
flyway. All birds tested so far have tested negative for the highly pathogenic
Since summer 2005, the DOI has been working with Alaska to strategically sample
migratory birds in the Pacific flyway. DOI already has carried out more than
1,700 tests on samples from more than 1,100 migratory birds. There have been 22
avian influenza isolates identified, but none have been highly pathogenic.
Full Story at;
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