California, the biggest U.S. milk-producing state, on Thursday confirmed two human cases of bird flu in people who had ...

Two dairy workers in California were infected with bird flu, the 15th and 16th human cases detected in the U.S. this year ...

The California Department of Public Health is tracking a possible case of human bird flu originating in the Central Valley.

Hospital workers reported respiratory symptoms after encountering a Missouri patient with H5N1 who had not been exposed to ...

A California dairy worker appears to be the state’s first person infected with the bird flu, officials announced Thursday.

California is investigating a possible case of bird flu in a person who had contact with infected dairy cattle, the state's ...

California is investigating a possible case of bird flu in a dairy worker who had contact with infected cattle, the state's ...