On Wednesday, Wisconsin officials said a person who came into contact with sick animals at a commercial poultry facility may ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for ...

After Gov. Gavin Newsom last week declared an emergency stemming from bird flu’s spread in dairy herds, local public health ...

California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in ...

Bird flu virus has swept through farms across the nation’s largest dairy producing state. All human cases had been mild - ...

Millions of egg-laying flocks in California have been lost to the bird flu this year. It comes as the cost of eggs rose in ...

Two additional human cases were recently reported by the CDC: an adult in Missouri in September and a child in California in ...

There are 61 confirmed human cases of bird flu in people in the U.S., according to the Centers for Disease Control and Prevention. More than half of the human cases are in California. Bird flu is a ...

Northwest Naturals is recalling a line of its pet food after authorities Oregon linked the death of a cat to a batch ...

Bird flu captured more headlines this week, but Utah experts say they're still unsure about potential human impacts as it ...

A backyard flock in Vermont was sickened with H5N1, agricultural officials said on Thursday, following other reports of bird ...

Bird flu is an influenza virus typically spread through animals ... according to the agency. Most were reported in California ...