The California Department of Food and Agriculture said Thursday that H5N1 bird flu is suspected to have infected three dairy herds in the state. ... others to get the seasonal flu vaccine.

Five House members from California’s San Joaquin Valley led by Rep. Jim Costa, a Democrat, sent Agriculture Secretary Brooke Rollins a letter on Tuesday urging her to develop and evaluate an H5N1 ...

The U.S’s biggest dairy-producing state is being squeezed by the recent outbreak of bird flu, which also affects cattle—and ...

The number of California dairy herds reported to have outbreaks of H5N1 bird flu has grown to eight. Officials have refused to disclose the locations of the infected herds, but have said they are ...

Given the rapid spread in California dairies, Raudabaugh said the U.S. needs to pursue a vaccine development “Operation Warp Speed” for cows, on par with the one during the Trump ...

The national stockpile holds a few million doses of H5N1 vaccine, and officials can order more should they be needed. Several companies are also developing new vaccines for use in people or in cows.

California is home to about 1.7 million dairy cows, ... Though the government has ordered that nearly 5 million doses of H5N1 vaccine be packaged and made ready for use, ...

Two California dairy farm workers who had contact with H5N1-infected cows have contracted an H5 avian influenza virus, the Centers for Disease Control and Prevention confirmed Thursday evening. In ...

Federal officials plan to double the stockpile of emergency bird flu vaccines as they identify more people infected with the disease.. Three manufacturers were awarded $72 million to increase ...

Federal scientists are closely studying H5N1 genetic sequences from California dairy workers in search of any dangerous mutations that may make the virus, called avian flu or bird flu, more ...