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

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

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

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 ...

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

The finding at a California duck farm is raising alarms among public health experts that bird flu could further mutate into ...

The first confirmed case of H5N9 bird flu in the United States has been identified in Merced County, California, and control ...

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