Bird flu has long been a top contender for starting the next pandemic. Between 2003 and 2023, there were 882 cases reported ...

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 ...

The 114 commercial outbreaks in South Dakota have led to the death or intentional killing of more than 6 million turkeys, ...

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

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 why that’s a dangerous idea ...

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 ...