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

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

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 ...

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

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.

The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe ...

The Oregon Department of Agriculture (ODA) yesterday reported that a house cat has died from H5N1 avian flu after eating raw ...

Scientists are uneasy about NIH research funding priorities and Trump's pick to lead the NIH, Jay Bhattacharya ...