U.S. health officials on Friday announced two more bird flu cases among farmworkers at a Colorado poultry farm, bringing the total to six. It's the largest outbreak of human bird flu infections in ...

NEW YORK — U.S. health officials on Friday announced two more bird flu cases among farmworkers, but they also said a new study in Michigan suggested the virus is not causing silent infections in ...

Colorado public health officials reported five new cases of bird flu on Sunday, more than doubling the number of bird-to-human cases of the disease in the United States this year. The Colorado ...

Two more people were diagnosed with bird flu this week, even as scientists in Missouri continued to investigate a possible cluster of infections in that state, federal health officials said at a ...

NEW YORK (AP) — U.S. health officials on Friday announced two more bird flu cases among farmworkers, but they also said a new study in Michigan suggested the virus is not causing silent ...

NEW YORK (AP) — U.S. health officials on Friday announced two more bird flu cases among farmworkers, but they also said a new study in Michigan suggested the virus is not causing silent ...