Bird flu continues to spread across the U.S., with new infections in Hawaii and continued human outbreaks in California.

California health officials have identified a possible bird flu case in a child who was tested for mild upper respiratory ...

Stat reports there's no evidence that the teen has infected anyone else. The source of the infection has not been determined. Meanwhile, Hawaii — which has strict agricultural rules to prevent the ...

It’s been nearly eight months since avian flu was first detected in U.S. dairy herds, and cases in both cows and humans continue to pile up.

Officials suspect wild migrating birds are likely to blame for the first known infection of a flock in Hawaii, which had been the last state in the country with no reported cases in poultry or wild ...

As a virus scientist in South Africa, I’ve been watching with dread as H5N1 bird flu spreads among animals in the United ...