America is heading into an even higher-risk period as the seasonal flu begins to circulate. This also raises a question of ...

A genetic analysis of samples from the patient in Louisiana recently hospitalized with the country’s first severe case of H5N1 bird flu show the virus likely mutated in the patient to potentially ...

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

Scientists believe the mutations may allow the virus to better bind to receptors in the upper airways of humans.

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

Following an alert in early December from Kansas game wardens about geese carrying bird flu into Kansas, the City of Newton ...

The CDC said Thursday its analysis of samples from a Louisiana patient with bird flu showed mutations not seen in samples ...

Northwest Naturals says a batch of Feline Turkey Recipe tested positive for bird flu. One cat has died in connection with the ...

The H5N1 bird flu, or highly pathogenic avian influenza, has been detected in a backyard flock in Vermont, according to state ...

There's a new concern that the virus could evolve to spread from human to human.

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