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 ...

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

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

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

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

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

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

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.