New bird flu mutation discovered in U.S.

The Biden administration should approve a vaccine for the H5N1 bird flu virus, according to a former state health ...
The CDC said Thursday its analysis of samples from a Louisiana patient with bird flu showed mutations not seen in samples ...
The U.S. Centers for Disease Control and Prevention said on Thursday its analysis of samples from the first severe case of ...
The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.