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

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 ...

There are several types of bird flu viruses, including the more common H5N1. Bird flu can be found in wild waterfowl like ...

Health officials urged people to identify avian flu symptoms early and properly cook chicken and eggs to limit risk of ...