Tiny genetic alterations could help the bird flu virus enter cells in the upper respiratory tract, the C.D.C. said. But there ...
The CDC has confirmed a total of 66 human cases of bird flu across the United States as of Friday, although the number is ...
Genetic analysis suggests the bird flu virus has the capacity to mutate in ways that could make it more transmissible to ...
The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, suggesting the virus changed over the course of the patient’s infection.