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

Dr. Demetre Daskalakis, director of the National Center for Immunization and Respiratory Diseases at the CDC, responds to ...

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., ...

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

The CDC has confirmed a total of 66 human cases of bird flu across the United States as of Friday, although the number is ...

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

The CDC's analysis revealed changes in the hemagglutinin (HA) gene, a critical component for the virus's ability to attach to ...

A genetic analysis of viral samples from a patient in Louisiana hospitalized with the first severe case of bird flu showed ...

Genetic analysis suggests the bird flu virus has the capacity to mutate in ways that could make it more transmissible to ...

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

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