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

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

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

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

A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about h ...

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

A California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses ...

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

Bird flu pops up every year in the same way that flu season does for humans. Each time there's a different strain as ...

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

A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S.