Last year, bird flu killed more than 40 million egg-laying birds. Including ducks and chickens, 148 million birds have been ordered euthanized since H5N1 began spreading around the U.S. in 2022 ...

It’s called “uguisu no fun” and its literal translation is “feces of the warbler.” That’s right — it’s nightingale poop. For over 1,000 years Japanese geishas have been using this ...

The bird flu was first described in Italy in 1878 as a "fowl plague." This current outbreak, from a strain that emerged among poultry flocks and wild birds in Europe in the fall of 2020, has been ...

Other bird flu cases There have been four confirmed human cases of bird flu in the U.S. since March, all in farmworkers, with two in Michigan, one in Texas and one in Colorado, the CDC said.

The H5N1 bird flu has been spreading widely among wild birds, poultry and other animals around the world for several years, and starting early last year became a problem in people and cows in the U.S.

Bird flu continues to spread quickly through the U.S. farm system because that system is inherently a viral playground.