So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning" ...

Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 ...

In 2024, at least 66 human cases of bird flu have been reported in the United States, each one raising the risk of another ...

All year, I’ve been keeping tabs on the H5N1 avian flu outbreak in dairy cattle and birds in the United States. As a ...

President-elect Donald Trump must contend with the H5N1 bird flu virus circulating among livestock, which experts fear could ...

Arizona currently has no confirmed human cases of bird flu, although two Pinal County workers were exposed through infected ...

In coming years, the bird flu may cost billions of dollars more in expenses and losses. Worse, the outbreak poses the threat ...

The CDC has confirmed a total of 66 human cases of bird flu across the United States as of Friday, although the number is ...

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

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

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

H5N1 outbreaks have led to the losses of commercial flocks in Barron, Trempealeau, Washburn and other Wisconsin counties.