The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...

The data, which appeared fleetingly online on Wednesday, confirmed transmission in two households. Scientists called on the ...

While H5N1 primarily affected birds in the past, new versions of the virus are capable of infecting many mammals, including ...

In the U.S., bird flu is spreading rapidly on poultry and dairy farms—and data censorship could pose risks to combating it, ...

Though sustained human-to-human transmission has not been observed, infections have occurred after unprotected contact with infected animals.

When it comes to the potential of H5N1 avian flu picking up mutations that might lead to human-to-human spread, that "train has already left the station," warns 1 infectious disease expert.

H5N1 has in recent years seen a significant increase ... minks, foxes, dolphins, and seals, among others. In 2024, people working on dairy farms contracted the virus from sick cattle, raising ...

When it comes to the potential of H5N1 avian flu, otherwise known as bird ... with more cases of mammals -- such as seals, cattle, cats, dogs and pigs -- coming down with bird flu.

That's the way one scientist puts it — referring to how infected wild birds survive long enough to spread it to birds and ...

Bird flu appeared in a Texas dairy farm in March 2024. Havoc has followed on farms and in grocery stores and concerns mount for human health.

There are dozens of bird species in the H5N1 firing line, as well as eight penguin species and six seal species. Emmerson said wildlife teemed around the bases. “We often have the penguins later ...

H5N1 bird flu — have been found along the shores of Lake Michigan in the Chicago area, prompting warnings from area health ...