Technology Jul 14, 2026 · 1 min read

Taco Bell eyed in explosive diarrheal outbreak; leafy greens suspected

Health officials have not confirmed a source yet—and there may be multiple sources.

AR
Ars Technica
by Beth Mole
Taco Bell eyed in explosive diarrheal outbreak; leafy greens suspected

Lettuce and salad greens have become the prime suspects in an explosive outbreak of the diarrheal parasite Cyclospora, which is surging nationwide but erupting to extraordinary heights in Michigan.

In recent years, Michigan has typically reported around 50 cases of cyclosporiasis, which causes urgent bouts of watery diarrhea, abdominal cramps, and nausea. But, this year, as of July 14, the state has reported 3,309 cases of the food-borne pathogen. Of those 44 have been hospitalized.

Based on interviews with more than 1,000 people sickened in Michigan, the latest data is pointing to leafy greens as the source, according to the Michigan Department of Health and Human Services (MDHHS).

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This article was originally published by Ars Technica and written by Beth Mole .

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