Two California dairy workers have been infected with bird flu, state and federal health officials announced late Thursday. The cases mark California’s first human infections amid outbreaks ...

Two dairy workers in California were infected with bird flu, the 15th and 16th human cases detected this year in an ongoing outbreak affecting the nation's dairy cows, health officials said Thursday.

Two dairy workers in California were infected with bird flu, the 15th and 16th human cases detected this year in an ongoing outbreak affecting the nation’s dairy cows, health officials said ...

One in three infected dairy herds in the U.S. are now in California, according to federal tallies of bird flu in livestock.

(USDA Agricultural Research Service via AP, File) (Uncredited) Two dairy workers in California were infected with bird flu, the 15th and 16th human cases detected this year in an ongoing outbreak ...

Two dairy workers in California were infected with bird flu, the 15th and 16th human cases detected this year in an ongoing outbreak affecting the nation's dairy cows, health officials said Thursday.