California's public health department reported a possible case of bird flu in a child with mild respiratory symptoms, but said there was no evidence of human-to-human transmission.

California is home to 645 of America's 865 infected cattle herds, according to the USDA. The virus was also detected in raw milk in California stores, leading to a recall last month.

California's only lab that can confirm lethal bird flu in poultry has shifted some testing to facilities out of state for months and does not expect testing delays from a workers' strike, the ...

California, the biggest U.S. milk-producing state, on Thursday confirmed two human cases of bird flu in people who had contact with dairy cattle infected by the virus. The cases bring total U.S. bird ...

California Governor Gavin Newsom has declared a state of emergency in response to a rapidly spreading bird flu outbreak among the state’s dairy cattle.

California health officials previously said in a statement that they were looking into a “possible exposure to wild birds.” There is no evidence bird flu spread from the child to other people.

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 ...

California's bird flu crisis has deepened as two new confirmed cases have been found in Stanislaus and Los Angeles counties. The cases of avian influenza A (H5N1) has been on rise and has infected ...

California Gov. Gavin Newsom (D) declared a state of emergency Wednesday in response to detection of bird flu in dairy cows, stating this action will streamline the state’s response. Newsom’s ...