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

Indiana-based Rose Acre Farms, the second largest egg producer in the U.S., has confirmed fowl deaths from bird flu at its ...

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

Corwin was forced to lay off 48 workers but kept 20 to help with the clean up. He said the company was successful in ...

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

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

Poultry owners face a mandatory housing order requiring them to bring their birds inside.

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 ...

The latest data from the U.S. Centers for Disease Control and Prevention and the U.S, Department of Agriculture show the ...

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 ...