H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...

UC San Francisco's Rais Vohra, MD, explains recent increase in reported virus infections and the risks of consuming raw cow’s milk.

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm in California, the World ...

A California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses ...

The United States has reported its first outbreak of H5N9 bird flu on a duck farm in California, according to the World ...

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human ...

The United States has reported its first H5N9 bird flu outbreak in California, affecting almost 119,000 ducks. Both H5N9 and the more common H5N1 strains were found. The USDA is conducting ...