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.

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

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

U.S. authorities also detected the more common H5N1 strain on the same farm in Merced County, California, they said in a ...

As egg prices continue to soar across the country, there are new concerns about bird flu as a new strain was discovered at a ...

A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.

New York’s Long Island was once synonymous with “duck” in the culinary world. Now it may lose its last commercial farm. The avian flu outbreak that has led to the slaughter of millions of ...

The news hit hard: Bird flu had struck Crescent Duck Farm in Aquebogue, forcing the well-known supplier to euthanize all 99,000 of its ducks. It was a devastating reminder of the many ways ...

The owner of the Crescent Duck Farm in Aquebogue, N.Y., has been forced to euthanize its flock of more than 100,000 ducks due to positive bird flu tests.

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