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 ...

Earlier in December, officials announced an elderly Louisiana patient was in “critical condition” with a severe H5N1 ...

Tiny genetic alterations could help the bird flu virus enter cells in the upper respiratory tract, the C.D.C. said. But there ...

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 ...

A cat in Oregon died from bird flu, which was linked to contaminated pet food, prompting a nationwide recall. Experts warn ...

Health experts are now warning pet owners to be cautious about raw foods and limit pets’ exposure to wildlife.

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

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

Connecticut has not been spared from the ongoing bird flu outbreak that has primarily been impacting livestock.