Under new rules, poultry facilities seeking indemnity payments after repeated bird flu infections must show biosecurity ...

The nationwide spread of highly pathogenic avian influenza, HPAI, also known as avian or bird flu, has many in Illinois ...

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

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

Both are considered cornerstones of the CDC's communications strategy ... Animal and Plant Health Inspection Service (APHIS) ...

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.