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.

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.

Five House members from California’s San Joaquin Valley led by Rep. Jim Costa, a Democrat, sent Agriculture Secretary Brooke ...

Two more California dairy herds have been infected by H5N1 bird flu, ... Deeble said his agency is in the process of authorizing field safety studies for a H5N1 cow vaccine.

California, the country’s biggest dairy producing state, has been battling a rapidly expanding H5N1 outbreak in cows since late August. As of Friday, 402 herds in the state had tested positive ...

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 ...

California has approximately 1,100 dairies, ... The H5N1 virus typically doesn't kill cows the way it does birds and chickens. ... Raudabaugh said the U.S. needs to pursue a vaccine development ...

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 ...

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, ...

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 ...