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

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

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

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

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

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

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 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 ...

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

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.

The government is investigating a rare strain of avian flu, H5N9, detected on a duck farm in central California, according to ...