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

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

A new strain of H5N9 bird flu was detected at a commercial duck operation in California's Merced County. All the ducks were ...

The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about how it continues to spread.

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

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

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.

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

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

The United States has reported its first H5N9 bird flu outbreak in California, affecting almost 119,000 ducks. Both H5N9 and ...

British health authorities said they had detected a case of bird flu (H5N1) in a person in central England. The person ...