FILE - Turkeys stand in a barn on turkey farm near Manson, Iowa on Aug. 10, 2015. A Colorado prison inmate has tested positive for bird flu in the first confirmed case of a human being infected with the disease that has resulted in the death of millions of chickens and turkeys. The U.S. Centers for Disease Control and Prevention said Thursday, April 28, 2022, that the man who tested positive had been in a pre-release program and was helping removing chickens from an infected farm. (AP Photo/Charlie Neibergall, File)
DES MOINES, Iowa — A Colorado prison inmate has become the first person in the U.S. to test positive for bird flu in a recent outbreak that has led to the deaths of millions of chickens and turkeys, but federal officials say they still see little threat to the general public.