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

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

What is H5N9 and how is it different from H5N1? Scientists classify bird flu viruses by which kind of two key proteins are ...

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

The risk of bird flu to humans is low, but eating undercooked eggs or chicken could increase your chances of exposure to ...

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 ...

The first case of bird flu on a farm in Pennsylvania was detected on a poultry farm in Lehigh County on Monday, the state's ...

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

Officials said the positive samples were found in a 50,000-bird layer chicken flock on a commercial poultry farm in Lehigh ...

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

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...