Studies suggest that people who had seasonal flus or vaccinations have low antibody levels against H5N1 bird flu.

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

H5N1 avian influenza virus was first found infecting cattle in 2024, though its risk of adapting to infect and spread through ...

Avian influenza virus from the ongoing outbreak in dairy cattle appears to be keeping its bird-infecting features rather than ...

Cambodia's health ministry today announced another H5N1 avian flu infection, the country's 14th of the year. Meanwhile, ...

Avian flu killed or led to the deaths of 470 domestic birds at a live bird market in Onondaga County in March, according to ...

A 26-year-old man from northwest Cambodia's Siem Reap province has been confirmed positive for H5N1 human avian influenza, ...

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts warn that it hasn’t disappeared ...

Joseph Journell cuddles with his cat, Big Boy, who is recuperating from the H5N1 bird flu on Jan. 2, 2025, in San Bernardino, California. Big Boy spent eight days in a veterinarian hospital. (Gina ...

This bird flu, which scientists call highly pathogenic avian influenza, or H5N1, is already at panzootic—animal pandemic—status, killing birds in every continent except for Australia.

Avian influenza, or the bird flu, is an extremely infectious respiratory disease that affects all domestic poultry, including laying hens, broilers, and turkeys, as well as waterfowl and game birds.

Now, however, wild birds have been getting sick or dying as a result of highly pathogenic avian influenza, and their carcasses can end up in people’s yards. The carcasses can attract the interest of ...