Possible source of contamination identified in ‘explosive diarrhea’ outbreak

Health & FitnessFood
17 Jul 2026 • 7:56 AM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

Possible source of contamination identified in ‘explosive diarrhea’ outbreak

  • Taylor Farms, a supplier of shredded iceberg lettuce to Taco Bell, has been identified as a potential source of contamination in a widespread cyclosporiasis outbreak.
  • The outbreak has seen nearly 7,000 cases reported across 34 US states since May, with Michigan and New York being the most affected.
  • Taco Bell has temporarily removed certain ingredients, including lettuce, from select restaurants as a precautionary measure, though public health officials have not confirmed a direct link.
  • Cyclosporiasis is an intestinal illness caused by a parasite from contaminated food or water, leading to symptoms such as cramping, nausea and explosive diarrhea.
  • Michigan officials had previously indicated lettuce as a common product in their investigation, with the state reporting over 4,300 cases and around 100 hospitalizations.

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