As the highly pathogenic avian influenza outbreak continues, university experts work to develop edible vaccines to protect ...

A different strain of H5N9 has shown up in U.S. birds before.

This strain of avian influenza emerged in 2022 and brought major losses in the Northern San Joaquin Valley and beyond.

Five birds across LA County tested positive for highly pathogenic avian influenza H5, also known as H5 bird flu, officials ...

This strain of avian influenza emerged in 2022 and brought major losses in the Northern San Joaquin Valley and beyond.

While HPAI has been a renewed biosecurity concern for poultry since Feb. 2022, the infection has set into a seasonal pattern—creating some predictability. According to the USDA-APHIS dashboard, there ...

Avian flu, long associated with birds, continues to surprise scientists as it spreads across species and oceans. After first jumping to dairy cows two years ago, the virus has now infected elephant ...