‘Explosive diarrhea’ parasite cases skyrocket while CDC still looks for root cause

Health & Fitness
16 Jul 2026 • 11:45 PM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

‘Explosive diarrhea’ parasite cases skyrocket while CDC still looks for root cause

  • Nearly 7,000 cases of cyclosporiasis, a parasitic illness causing "explosive diarrhea," have been reported across over 30 US states, with 1,645 lab-confirmed and 5,100 suspected cases under review by the CDC.
  • The current outbreak is significantly larger than last year's, which saw fewer than 250 cases, and has led to 141 hospitalizations but no reported deaths.
  • Pinpointing the source is challenging due to the delayed onset of symptoms, but investigators are looking into potential links to Taco Bell and contaminated leafy greens, with Michigan officials specifically suggesting lettuce.
  • The CDC has faced scrutiny after removing cyclosporiasis from its FoodNet surveillance program last summer, though former officials state this likely didn't affect the immediate outbreak response.
  • Public health experts recommend thorough washing of hands and produce, peeling outer layers, cooking vegetables, and temporarily avoiding leafy greens to reduce infection risk.

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