A new strain of H5N9 bird flu was detected at a commercial duck operation in California's Merced County. All the ducks were ...

The United States has confirmed its first case of highly pathogenic H5N9 avian influenza in poultry, following an outbreak at ...

H5N1 vaccines have been previously licensed, and millions are in the national stockpile. But even with the news of the ...

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 ...

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

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

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.

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

The first human death caused by H5N1 in the U.S. was reported in Louisiana on Jan. 6. Here's what to know about bird flu.

The state of Louisiana identified a case of a domestic cat with bird flu in New Orleans, according to a spokesperson from the ...