Deputies are investigating after a large bird-fighting operation was found in Herald in southern Sacramento County on Friday ...

Health officials in Marin County, California say a child with a suspected bird flu infection drank raw milk before getting ...

Nations are buying H5N1 bird flu vaccines as the virus continues to spread among livestock in the United States. Some experts say H5N1 may mutate into an international public health threat.

The California Department of Fish and Wildlife said Friday that the highly pathogenic avian influenza was detected in migratory birds in several counties across the state. Lezlie Sterling ...

The bird flu variant has infected about 700 dairy herds-- mainly in California on the US west coast-- between March and early ...

California has the highest number of cases with 32. Almost all confirmed cases have had direct contact with infected cattle or infected livestock. So far, all bird flu cases in the U.S. have been ...

The powerful earthquake shook a sparsely populated area of northern California on Thursday (December 5). The US Fish and Wildlife Service has released footage capturing the moment when a 7.0 ...

So far, 58 human cases of H5 bird flu have been reported in the United States during 2024, with 32 in California, according to the latest data released by the US Centers for Disease Control and ...