Experiments suggests H9N2 has adapted to human cells but cases of person-to-person transmission haven’t been reported yet.

After a quiet summer, bird flu cases are rising again. Scientists expected the development, but what happens next is still ...

After a summer lull in U.S. cases of avian influenza in both poultry and dairy cattle—and no human infections reported in the ...

Bird flu is spreading rapidly in Europe, with the highest number of countries in at least a decade reporting early outbreaks, ...

Australian scientists have found hundreds of dead seal pups on Heard Island in the sub-Antarctic with signs that suggest they ...