Wild birds, poultry, cattle and even farmworkers in the United States have already caught the virus, urging scientists to ...

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, ...

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

The U.S. will struggle to maintain an effective response to a future H5N1 epidemic unless schools are made as "pandemic proof ...

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 ...

A small but growing number of house cats have gotten sick from H5N1, the bird flu strain driving the current U.S. outbreak, after eating raw food or drinking unpasteurized milk. Though there are no ...

As bird flu continues to rampage in dairy farms and poultry facilities around the country, the office tasked with coordinating the federal government's response to pandemic threats, including bird flu ...

In two recent interviews on Fox News, HHS Secretary Robert F. Kennedy Jr. downplayed concerns about H5N1 avian influenza in the U.S., raising alarm among public health and infectious disease experts.

Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems ...