The bird flu crisis, driven by the H5N1 virus, began several years ago, but ramped up considerably in April when dairy cows ...

Bird flu H5N1 has infected people in the U.S. See the map of cases. Could it trigger the next pandemic? Experts explain the ...

California's public health department reported a possible case of avian influenza in a child with mild respiratory symptoms on Tuesday, but said there was no evidence of human-to-human transmission of ...

There is an inherent conflict of interest – and the potential for injury to public health – when a federal department both ...

California health officials reported Tuesday that a child in Alameda Co. has been infected with bird flu; source unknown.

Repeat bird flu testing four days later was negative ... Genetic tests of California farmworkers could reveal viral evolution ...

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 ...

Authorities in Hawaii are warning residents who attended a local pet fair to watch for symptoms of avian influenza after a ...

The H5N1 virus that infected a Canadian teen appears not to have spread, but it shows signs of mutation that makes flu ...

As H5N1 bird flu spreads among California dairy herds and southward-migrating birds, health officials announced Friday six ...