Bird flu, also known as H5N1, continues to spread among U.S. livestock, driving up egg prices and worrying public health ...

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

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

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

The first outbreak of H5N9 bird flu in poultry has been reported in California on a duck farm leading to the culling of ...

A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples ...

A new strain of bird flu — H5N9 ... had been infected by both the H5N1 and H5N9 strains. “This case is not unexpected or alarming,” said Annette Jones, California state veterinarian ...

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

A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.

(Photo by DON EMMERT/AFP via Getty Images) H5N9 is a strain of the H5N1, H7N9, and H9N2 bird flu virus subtypes ... was also announced on the same day California's governor declared a state ...