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

It’s easy to forget about the subtly different natural world that can be encountered a short distance inland, in California’s Central Valley. Pop across Highway 37 (enjoying the bird-filled ...

According to the Centers for Disease Control and Prevention, bird flu outbreaks have impacted poultry in 51 states, while the ...

A new strain of bird flu (highly pathogenic avian influenza, or HPAI) has been detected on a duck farm in California ... The more common H5N1 strain was also found at the same farm, which is ...

A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.