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 backyard flock in Vermont was sickened with H5N1, agricultural officials said on Thursday, following other reports of bird ...

Samples from a hospitalized patient in Louisiana show changes that could make the H5N1 virus spread more easily between ...

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

The virus has spread among dairy cattle, humans and other mammals. But officials say the current public health risk is low.

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

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

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

A genetic analysis of samples from the patient in Louisiana recently hospitalized with the country’s first severe case of ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for ...

The U.S. Centers for Disease Control and Prevention said on Thursday its analysis of samples from the first severe case of ...