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

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

The California condor nearly went extinct, and remains imperiled by the threat of poisoning from lead ammunition.

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

“Taken together, our findings suggest that early in the outbreak, cases in US dairy herds were widespread and went undetected, but federal regulations have since improved detection and worked to ...