treat and isolate as many cases as possible in humans." The CDC's updated recommendations are based, in part, on the study of 115 dairy workers in Colorado and Michigan. Blood tests found eight workers had been infected with bird flu, but only four of ...

New CDC research suggests that a small but significant percentage of dairy farmers working near infected cows have recently contracted H5N1, often without knowing.

Federal health officials on Thursday called for more testing of employees on farms with bird flu after a new study showed that some dairy workers had signs of infection, even when they didn’t report feeling sick. Farmworkers in close contact with ...