The CDC warns samples of the bird flu virus show signs of mutations that could make it more transmissible to humans. The CDC ...

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

The Centers for Disease Control and Prevention (CDC) has identified mutations in a strain of the avian influenza virus H5N1, ...

The Centers for Disease Control and Prevention (CDC) has confirmed the first severe case of bird flu in the United States, ...

Growing concerns surrounding the transmission of H5N1 bird flu. The CDC reports that samples collected from a severely ill ...

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

A genetic analysis of the bird flu in the body of a Louisiana man who contracted the first severe case found it mutated ...

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

The Centers for Disease Control and Prevention (CDC) has identified mutations in the H5N1 bird flu virus that may increase ...

The CDC said that testing of a person with a severe case of bird flu indicated the virus had mutated but the risk remains low ...

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, ...