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.

New York Attorney General Letitia James on Friday released what she described as “shocking and disturbing” footage from ...

Vermont officials reported an H5N1 bird flu outbreak in a backyard flock, leading to the culling of affected birds.

A backyard flock tested positive for bird flu, Vermont state officials said. It's the fourth case of bird flu in a domestic flock in Vermont since 2022.

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe ...

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

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

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

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

Symptoms of bird flu in humans have previously ranged from eye redness and mild flu-like symptoms, to pneumonia and difficulty breathing. World Health Organization (WHO) data shows that only 868 ...