Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

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 ...

Bird flu has been confirmed at a farm in Devon, the Department for Environment, Food and Rural Affairs (Defra) has said.

New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

The viruses that cause avian influenza are potential threats to global health. Recent animal outbreaks from a subtype called H5N1 have been especially troubling to scientists.

Bird Flu (Getty Images/Peter Garrard Beck) Facebook X Reddit Email Scientists have been keeping an eye on bird flu ever since it was first discovered nearly 30 years ago.

But it's rare for the bird flu to be transferred from one human to another, according to the AAFP. In order to do so, the virus must transform into a human flu virus.

Cartanza said another warning sign is a decrease in water consumption, which should increase as birds grow. When bird flu is confirmed, everything escalates to battle stations. Lasher shifts to ...