What to know about bird flu in dairy cows and the risk to humans
CHICAGO, May 30 (Reuters) - A third U.S. dairy worker tested positive for bird flu after exposure to infected cows, and was the first to suffer respiratory symptoms, U.S. officials said on Thursday in the latest expansion of the outbreak. Bird flu has been found in dairy cattle in nine states. This second case in a Michigan dairy worker was found through increased testing of people and cows in the state following the April 1 identification of a case in a Texas farm worker. Here's what you need to know about the outbreak.
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