The Highly Pathogenic avian influenza virus is a highly contagious disease that spreads among birds and other animals.

Zoetis received conditional USDA approval for an avian flu vaccine. Major poultry and dairy organizations back vaccine use to control the virus. The Trump administration is rolling out a new ...

Since 2021, experts have seen bird flu — also called H5 influenza or highly pathogenic avian influenza (HPAI) — spreading "fairly quickly" across the wild and domestic bird populations and, now, among ...

The U.S. Department of Agriculture is calling this multi-year bird flu outbreak the largest animal health emergency in U.S. history. The flu is widespread among birds worldwide, it's infecting poultry ...