Michigan's summer salad season has become a bathroom-based hostage negotiation. The Michigan Department of Health and Human Services (MDHHS) says 7,664 cyclosporiasis cases have been reported during the current outbreak, including 164 hospitalizations as of July 23.

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The state politely calls the main symptom "frequent, watery diarrhea." People sprinting down the hallway may prefer the term "explosive diarrhea," followed by several words unfit for a family-friendly website.

Where Michigan’s Cyclospora Outbreak May Have Started

Justin Sullivan, Getty Images
Justin Sullivan, Getty Images
Justin Sullivan, Getty Images

Michigan investigators say lettuce or salad greens remain a possible source, but no single product, grower, or supplier has been identified for the entire statewide outbreak.

A separate Centers for Disease Control and Prevention (CDC) investigation has linked at least 1,947 illnesses in nine states to recalled iceberg lettuce from Taylor Farms de Mexico. That is one confirmed branch of this gastrointestinal tree, not an explanation for every case in Michigan.

What Michigan Is Doing About Cyclospora

MDHHS and local health departments are interviewing patients, tracing what they ate before becoming sick, and working with federal investigators. Case counts are updated every weekday, giving public health detectives fresh clues in America's least appetizing salad mystery.

How to Eat Greens Without Gambling on Your Bathroom

closeup photo of lettuce on gray surface
Photo by Jef Wright on Unsplash
closeup photo of lettuce on gray surface

Buy whole heads of lettuce instead of bagged mixes. Toss the outer two or three layers, then wash the remaining leaves under clean running water. Washing helps, but it can't guarantee the parasite is gone. Cooking greens to at least 158 degrees is safest. Also check recalls and immediately discard any recalled lettuce.

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Anyone with frequent watery diarrhea should contact a health care provider, stay hydrated, and specifically request Cyclospora testing because routine tests might miss it.

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Gallery Credit: Scott Clow

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Gallery Credit: Scott Clow

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