The progression of the bird flu in America since 2021 has been unprecedented, including the first-ever cases of infections in dairy cattle and raising heightened pandemic risks.

Experts stressed that the new strain did not itself appear to be an immediate human threat. But the rise of a new strain is ...

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

The current bird flu outbreak in Massachusetts is the largest the state has ever seen. Here's why officials believe it has ...

This latest outbreak is part of a broader epizootic that has swept across the United States, affecting not only poultry but ...

"This type of prevention can be very useful in controlling infection outbreaks and containing the bird flu pandemic," said an ...

Bird flu is now believed to be widespread in Massachusetts and is likely present even in places where there has not been a ...

A decade-old bird flu strain, H5N9, has surfaced in US poultry for the first time, detected in a California duck farm.

Two animal deaths at Lincoln Park Zoo in Chicago have been traced to an outbreak of avian influenza, or bird flu, according to a statement from zoo officials on Wednesday. It also announced that ...

A month ago, almost no one in the U.S. had heard of the Chinese artificial intelligence start-up DeepSeek. Today, its ...

The team found that animals that had the virus inoculated directly into their lungs became severely ill, whereas animals that ...

The vaccine, typically given as 3 doses, was developed by China and hadn't previously been used in outbreak settings.