The U.S. government failed to eliminate the virus on dairy farms when it was confined to a handful of states. Now at least 875 herds across 16 states have tested positive.

The CDC called findings about bird flu mutations in a human case “concerning” but says the risk to the general public from ...

The HPAI H5N1 virus has spread globally, infecting birds, mammals, and some humans. Most human cases are mild.

A 13-year-old girl in British Columbia who was hospitalized with bird flu for several weeks late last year harbored a mutated ...

Butte County officials on Friday confirmed a bird flu outbreak in a backyard chicken flock, the latest case since Gov. Gavin ...

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

The administration is committing an additional $306 million toward battling the virus, and will distribute the money before ...

Moving forward, farmers must pass a biosecurity audit before restocking their poultry and receiving future indemnity payments, aiming to curb the spread of HPAI through stricter biosecurity measures.

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

Highly pathogenic H5N1 avian influenza A virus (HPAI H5N1) remains a low risk to the general public, and public health ...

Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United ...