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

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

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

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

This is why bird flu typically doesn’t infect humans or spread person to person. One of the mutations was also seen in a ...

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 ...

Since April 2024, 61 human cases of bird flu have been reported in the U.S. The virus has only spread from animals to humans.

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 ...

The US hasn’t learned lessons from the Covid-19 pandemic that it could use to mitigate the threat of pathogens like H5N1 bird ...

California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in ...

After Gov. Gavin Newsom last week declared an emergency stemming from bird flu’s spread in dairy herds, local public health ...