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

The USDA Animal and Plant Health Inspection Service (APHIS) recently confirmed the deadly bird flu genotype responsible for ...

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

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

Bird flu has been detected in a backyard poultry flock in San Mateo, local officials said Tuesday. No human cases have been ...

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

A strain of the H5N1 bird flu virus that has typically spread in poultry and wild birds recently jumped to dairy cattle in ...

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

Egg farms are still recovering from the 2022 outbreak but now there’s also the cage-free law, mutations and competition as ...

US officials are investigating the appearance of a strain of bird flu identified in the US for the first time, a worrying ...

Experts stressed that the new strain did not itself appear to be an immediate human threat. But the rise of a new strain is troubling and points to the risk of a viral phenomenon known as ...

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