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

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

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, ...

Genetic analysis suggests the bird flu virus has the capacity to mutate in ways that could make it more transmissible to ...

It was the fourth instance of H5N1 bird flu in a domestic flock in Vermont since the spring of 2022 and “emphasizes the ongoing need for vigilance as the disease continues to be ...

Samples from a hospitalized patient in Louisiana show changes that could make the H5N1 virus spread more easily between ...

A genetic analysis of samples from the patient in Louisiana recently hospitalized with the country’s first severe case of ...

While dogs are not common carriers of bird flu, they can become infected, especially if exposed to sick or dead birds.

A genetic analysis of the H5N1 bird flu in a Louisiana patient reveals potential mutations for human transmissibility, says ...