A virologist explains that why this probably isn’t the big one — but that it’s a sign of bad things happening with the virus.

Biden administration officials said Wednesday they have no current plans to authorize a stockpiled bird flu vaccine, despite an escalating outbreak among livestock in the U.S. and at least 58 human ...

A dozen more dairy herds in California have been stricken with bird flu as the virus continues to infect animals and humans ...

The patient in Louisiana who was hospitalized with severe bird flu illness was found to have a mutated version of the virus.

Newsom's California emergency order came on the heels of an announcement from the U.S. Centers for Disease Control and ...

Dr Leana Wen said Biden should do as much as he can to battle the bird flu virus during his last days as president.

A dozen more dairy herds in California have been stricken with bird flu as the virus continues to infect animals and humans around the U.S. Nearly 700 herds in the state — or 71 percent of all herds — ...

Two commercial poultry facilities and one backyard flock in the state were the latest instances of highly pathogenic avian influenza in Michigan.

Federal health officials say that not only has a Louisiana resident contracted the first severe case of bird flu in the U.S., ...

The Biden administration should approve a vaccine for the H5N1 bird flu virus, according to a former state health ...

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

Amid a "concerning" new mutation in bird flu that may indicate the virus could begin to more easily infect humans, what are ...