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

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 ...

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

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

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 confirmed its first case of highly pathogenic H5N9 avian influenza in poultry, following an outbreak at ...

H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird ...