The human avian flu has yet to pass from human to human, but state gene detectives are on the lookout for mutations.

Officials are racing to vaccinate dairy workers against the seasonal flu to prevent the two viruses from combining.

As a rapidly increasing number of California dairy farms suffer outbreaks of H5N1 bird flu, industry experts say it remains ...

Although California dairy farmers had heard about the H5N1 bird flu before it hit, none was prepared for the devastation it ...

California has six confirmed human bird flu cases and health officials suspect five more among Central Valley dairy workers.

Cows in California are dying at much higher rates from bird flu than in other affected states, industry and veterinary ...

Latest case raises the total of infected herds in Michigan to 30, according to the state's Department of Agriculture and ...

The video, which Crystal Heath captured on the outskirts of Tulare County on October 8th, shows the aftermath of a bird flu ...

SACRAMENTO, California — Health officials across the U.S. are working to prevent a potentially dangerous combination virus as avian flu rips through one of the nation’s largest milk-producing ...

The California Department of Public Health reports a total of 13 human bird flu cases have been confirmed in California. All ...