After someone in southwest Louisiana was hospitalized with a severe case of bird flu, the first such illness reported in the ...

The CDC said Thursday its analysis of samples from a Louisiana patient with bird flu showed mutations not seen in samples ...

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

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

The bird flu virus found in a severely ill patient hospitalized in the United States has mutated to become better adapted to ...

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

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

It’s safe to drink pasteurized milk but people run a high risk if they drink raw milk” — Linda Pinfold, agricultural commissioner for Stanislaus County.

After nearly 250 years of informal recognition, the bald eagle has officially been designated as the national bird of the ...

Scientists are issuing warnings after a bird flu patient showed mutations that could increase the transmission of the virus.

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

Nationwide Recall of Pet Food Due to H5N1 Strain of the Highly Pathogenic Avian Influenza (Bird Flu) Contamination After Cat Dies ...