The detection of bird flu in a sheep is another sign that the H5N1 virus is adapting to hop to new hosts ...

Safari Park, San Diego Zoo and SeaWorld have not seen any of the animals in their collections infected in the three years ...

"Globally, we continue to see that mammals can be infected with avian influenza A (H5N1)," Meera Chand, Emerging Infection ...

That era might now be over. In recent years, the U.S. had already begun to neglect its public-health infrastructure, ...

The United States is facing a growing threat from the H5N1 bird flu outbreak. Scientists are concerned that existing vaccines ...

H5N1 influenza is evolving rapidly, weakening the effectiveness of existing antibodies and increasing its potential threat to ...

By most indications, the avian influenza outbreak that has washed over U.S. farms is at an ebb. Experts don’t seem hopeful, ...

USDA Secretary Brooke Rollins says the agency is hyper-focused on poultry, but no vaccine is yet available. The agency has ...

Health secretary RFK, Jr. has repeatedly suggested that farmers should let bird flu spread through flocks. Experts explain ...

The H5N1 avian influenza virus is mutating to evade immune defenses in mammals following prior infection or vaccination.

Bird flu “is adapting to mammals, and it continues to show new tricks,” Nelson tells The Verge. The virus is spreading widely ...

The most effective strategy against bird flu on chicken farms is prevention, writes former FDA Commissioner Scott Gottlieb — ...