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

The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...

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

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

A California ... reservoir hosts for influenza A viruses," the spokesperson said. Both H5N9 and H5N1 were found to be infecting ducks at the farm, the USDA said. "The H5N1 virus is widely ...

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.

A new strain of avian influenza has ... which is investigating the California outbreak, confirmed that the duck farm case does stem from reassortment of the H5N1 virus circulating in U.S. birds.

(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 ...