Michigan health officials are investigating a fast-growing cyclosporiasis outbreak that reached 572 reported cases by July 4, with no source yet identified. The outbreak has been concentrated in southeast Michigan and has spread across multiple counties, including Monroe, Lenawee, Washtenaw, Wayne, Shiawassee, Jackson, Oakland and Livingston, according to state health officials.

The 2025 Nobel Prize in Physiology or Medicine has been awarded to a trio of scientists, Mary E. Brunkow and Fred Ramsdell of the United States, and Shimon Sakaguchi of Japan, for their landmark discoveries unraveling how the body’s immune system protects us from the countless microbes that threaten our health daily.