The CDC study provides the largest window to date into how the bird virus first detected in March in dairy cows may be ...

Amid an ongoing outbreak of bird flu in poultry and dairy cows in the United States, a case of H5N1 has now been confirmed for the first time in a pig.

The operation, dubbed Cold Meat 2, launched last week. It tracked 18,000 head of cattle raised in 100 square miles (260 ...

De St. Maurice said it was this kind of work — subtyping flu specimens — that enabled Missouri health officials to identify ...

A second person in Missouri who wasn't exposed to either poultry or dairy cows has been infected with bird flu.

The recent detection on an Oregon farm raises the risk of the influenza virus acquiring mutations that lead to a pandemic ...

As bird flu cases spread in both livestock and agriculture workers, the Department of Agriculture is taking steps to stop the spread of the virus.

H5N1 bird flu has been confirmed in a pig on a backyard farm in Oregon, the first detection of the virus in swine in the ...

There have been at least 39 human H5N1 cases in the U.S. this year. Fifteen were in California, 10 were in Colorado, nine ...

A Missouri bird flu case first reported by the CDC in September has drawn national attention. The CDC released findings ...

Cases of H5N1 have been climbing nationally, with one West Coast state seeing a rapid increase since the start of October.