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

Seven cases of H5N1 bird flu were detected in California this week. No confirmed cases have occurred in people or livestock ...

Concerns about bird flu — officially known as avian influenza A (H5) — continue to mount, particularly in California.

Four agricultural workers tested “presumptively positive” for avian influenza, or bird flu, after working with infected ...

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

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

As the country’s largest dairy producer, it wasn’t exactly a shock when California cows started testing positive for avian flu at the end of August. The virus had been circulating in lactating cows ...

Another five suspected cases of bird flu were reported today in California, where six cases have already been confirmed, ...

Health officials in California are grappling with an escalating avian flu outbreak, which has spread through one of the ...

Local health officials have confirmed that two dairy workers infected with the avian bird flu got sick while working in the ...

The avian flu has fully hit dairies in the Central San Joaquin Valley and is moving north, says Anja Raudabaugh, CEO, Western United Dairies.

The new confirmations push the national total of H5 cases this year to 20. All but one are related to contact with sick cows ...