A fourth farm worker has been infected with bird flu in the growing outbreak linked to dairy cows, health officials reported Wednesday. The worker had direct contact with infected dairy cows on a ...
Bird flu, or Avian influenza, is a virus that is spread from infected cows, birds and other animals to people.
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 ...