A new study uncovers how Oropouche virus is breaking out of the Amazon, spreading across Brazil and beyond. Scientists warn that environmental changes, human mobility, and viral evolution are ...

The first known case of bird flu in a sheep anywhere in the world has been found on a Yorkshire farm. The case was identified ...

Recent viral mutations have shown avian influenza’s adaptability to mammalian hosts, prompting infectious disease, animal ...

H7N9 — is detected in at a poultry farm; scientists learn that past human flu exposure may provide some immunity to H5N1.

A small but growing number of house cats have gotten sick from H5N1, the bird flu strain driving the current U.S. outbreak, after eating raw food or drinking unpasteurized milk. Though there are no ...

Bird flu. With that diagnosis in mind, one of Russo’s colleagues tried to get some bovine samples tested for H5N1, but the ...

Then the worry is reassortment,” said Liu. Reassortment happens when more than one virus infects the same cell and the ...

For turkey farmer Erica Sawatzke, Thanksgiving was going terribly. It was 2023, and while others were eating their turkey ...

“The more opportunity you give this to run rampant in these animal populations, the higher the likelihood it's going to find a human who's co-infected with H5N1, and lead to some viral reassortment ...

But, if there's reassortment, then who knows? We don't know what kind of residual population-level immunity we would have" ...