Bird flu has decimated poultry flocks and infected cattle herds. The risk to humans is currently low, but that could easily ...

Since Friday, hundreds of dead and sick birds have been found along Lake Michigan’s shore — all likely infected with bird flu ...

With the devastating 1918 pandemic in mind, US health officials saw an outbreak in Asia and swung into action. What happened ...

For nearly 40 years, scientists have gathered here to track flu viruses in the bird population, hoping to catch early signs of potentially dangerous outbreaks.  This year, however, researchers ...

The detection indicates that distinct forms of the virus known as Type A H5N1 have spilled over from wild birds into cattle ...

The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding raises some worrying ...

Researchers are reporting mass die offs of wild birds and sea mammals due to bird flu. They're tracking the deaths to better understand the virus and how it might create a greater threat to humans.

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

As the disease rapidly evolves, questions continue to rise: what is the bird flu? Why is this different? What can we do?