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Cyclospora outbreak causes first two deaths

A diarrhoea outbreak has caused the first two deaths in the US, with cases climbing nationwide.

By · Published August 4, 2026  15:32 UTC · Updated August 6, 2026  15:54 UTC

4sources
4articles
2velocity
+0%since first seen
79d agofirst detected
Text:
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49/100 Publishable
4distinct sources shown
40velocity measurements
1language editions checked
All brief claims passed the second-source checkbrief evidence status

Measured timeline

📍 How it ended

The Cyclospora outbreak in the United States resulted in two deaths and over 22,000 cases. The number of cases in Illinois alone climbed to 995.

Epilogue added 76d ago, after coverage quieted.

Coverage (4)

The story so far

⚡ Executive Intelligence Takeaways Corroborated across 4 independent newsrooms
  • Velocity & Diffusion: Coverage exploded across 4 distinct news outlets with 4 published articles, achieving a live velocity of 2.
  • Primary Driver: A diarrhoea outbreak has caused the first two deaths in the US, with cases climbing nationwide.
  • Source Integrity: Verified strictly against primary headline reporting under zero-hallucination protocols.

Two people have died in a diarrhoea outbreak sweeping the US. The deaths are linked to a cyclospora outbreak, which has seen 995 cases in Illinois alone. More than 22,000 cases have been reported across the country.

The outbreak is ongoing, with the number of cases continuing to climb. The outbreak has been reported by multiple outlets, including CBS News, The Telegraph, Axios and KCRA. CBS News reports that the number of cases in Illinois has climbed to 995.

KCRA has published a map showing the spread of the outbreak across the US.

Synthesized by Archynetys from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 78d ago.

The obvious questions

What is cyclospora?

Cyclospora is a single-celled parasite that can cause an intestinal illness called cyclosporiasis.

What are the symptoms of cyclosporiasis?

Symptoms of cyclosporiasis include watery diarrhea, loss of appetite, weight loss, stomach cramps or pain, nausea, vomiting, muscle aches, low-grade fever, and fatigue.

How is cyclosporiasis treated?

Cyclosporiasis is treated with antibiotics. Most people respond to treatment within a few days.

The coverage curve

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Topics

Cyclospora Diarrhoea outbreak US health Illinois Public health

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