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 ...

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

The bird flu hit Susie’s Duck Sanctuary in Wahiawa hard, and hundreds of ducks, geese, and other birds had to be euthanized ...

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 ...

Bird flu viruses are divided into two categories: low pathogenic avian influenza (LPAI) and highly pathogenic avian influenza ...

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.