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

Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens ...

The bird flu has been infecting American flocks for years, leading to a series of infections and increased egg prices. But ...

The humble egg, one of nature’s perfect foods, a self-packaged, relatively inexpensive source of protein that can serve as a ...

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 has sickened several dozen people around the U.S. and left one person dead while egg price hikes and shortages have ...

H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird ...

A commercial poultry farm in Lehigh County has Pennsylvania’s first confirmed 2025 case of bird flu in domestic poultry, the ...

A new strain of bird flu has been confirmed at a duck farm in California, the first time the variant has been discovered in ...

Bird flu is forcing farmers to slaughter millions of chickens a month, pushing United States egg prices to more than double ...

The United States has reported its first H5N9 bird flu outbreak in California, affecting almost 119,000 ducks. Both H5N9 and ...