The fourth human case of bird flu linked to the current dairy cow outbreak was confirmed on Wednesday in a dairy worker in Colorado, according to the Centers for Disease Control and Prevention.

Another dairy farm worker in Michigan has been infected with avian influenza virus, state and federal health officials reported Thursday. The case marks the third time the outbreak of bird flu in ...

The case was confirmed in a dairy worker in Colorado. The fourth human case of bird flu linked to the current dairy cow outbreak was confirmed on Wednesday in a dairy worker in Colorado, according to ...