Over the past three years, avian influenza (H5N1) has spread around the U.S. and affected many species of birds and mammals, ...

The Pennsylvania Department of Agriculture today confirmed the first positive case of Highly Pathogenic Avian Influenza (HPAI) in domestic poultry in Pennsylvania in 2025, in a 50,000-bird layer ...

As bird flu sweeps across US poultry and cattle farms, researchers are racing to find ways to contain the outbreaks before ...

The bird flu virus remains a wild card that continues to threaten U.S. poultry and egg supplies while upping the ante with ...