California health officials investigate a child's potential bird flu infection, with precautions taken for close contacts.

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

H5 bird flu, a type of avian influenza, has infected dozens of people in the U.S., and spread to seven states and Canada this year. As more human cases arise, there's deepening worry over whether the ...

A child is home and recovering after a possible case of bird flu in Alameda County, California, according to the California ...

Ducks and geese on a backyard farm in Oahu, the state's main island, tested positive for H5N1 last week, which was likely ...

Hospitals had been asked to conduct extra surveillance for possible avian flu cases in the spring and summer after highly ...

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

Bird flu has spread far and wide, infecting a range of species like chickens, skunks, cows, foxes and polar bears. But it's ...

The H5N1 strain of bird flu has infected a patient in the first ever confirmed human case of the virus, caused by the H5N1 ...

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 ...

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 ...