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

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

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

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

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

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

This week, the World Organization for Animal Health reported that it had been notified by the USDA that a November outbreak ...

Animals at 25 egg and dairy production facilities, including one backyard coop, have tested positive, says the county health ...

Bird flu is now believed to be widespread in Massachusetts and is likely present even in places where there has not been a ...

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

U.S. authorities also detected the more common H5N1 strain on the same farm in Merced County, California, they said in a ...

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