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

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human ...

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

As more cases of bird flu emerge across the country, public health leaders in New York City are watching warily -- and making ...

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

A US government memo ordering a halt to communication with global health bodies has concerned scientists as a strain of bird ...

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

The spread of bird flu (H5N1) has caused egg prices to rise and shelves to empty across Louisiana and the U.S. The cost of ...

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