The patient in Louisiana who was hospitalized with severe bird flu illness was found to have a mutated version of the virus.

In a positive finding, the CDC emphasized that there is no evidence the virus has spread from the Louisiana patient to others ...

The Biden administration should approve a vaccine for the H5N1 bird flu virus, according to a former state health ...

Federal health officials say that not only has a Louisiana resident contracted the first severe case of bird flu in the U.S., ...

HPAI is considered low risk to humans, the agency said, and there have been no human cases in New England during the current ...

"I feel like we should've learned our lesson from COVID, that just because we aren't testing doesn't mean the virus isn't ...

The ongoing spread of bird flu in the United States has alarmed experts – not just because of human cases causing severe ...

Amid a "concerning" new mutation in bird flu that may indicate the virus could begin to more easily infect humans, what are ...

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

Flocks in two Michigan counties are the latest to be infected by the highly pathogenic avian influenza.