Michigan reports a human case of H5N1 bird flu, the nation's second linked to outbreak in dairy cows
By Helen Branswell and Megan Molteni
A second human case of H5N1 bird flu infection linked to the current outbreak in dairy cows has been detected, in a farm worker who had exposure to infected cows, Michigan state health authorities announced today. This is only the third human case ever of H5N1 reported in the United States. A man in Texaswho worked on a dairy farm was infected there earlier in this outbreak. The country's first casewas in the spring of 2022.
Since late March, the U.S. Department of Agriculture has confirmed outbreaks in 51 herds in nine states, including Michigan, which has reported 19 infected herds — more than any other state.
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