AI Insight
An outbreak of cyclosporiasis, colloquially termed 'explosive diarrhoea', has reached record levels in the United States, prompting urgent investigation by researchers. Scientists are working to trace the contamination source of the Cyclospora parasite within the food supply chain. The parasite, which causes severe gastrointestinal symptoms, has infected an unprecedented number of people across multiple states.
Why it matters
Identifying the contamination source is critical for preventing further infections and protecting public health. This outbreak highlights vulnerabilities in food safety systems and the challenges of tracking foodborne parasites through complex distribution networks.
Understand the Science
Nature, Published online: 16 July 2026; doi:10.1038/d41586-026-02225-w
Cases have hit record levels, and scientists are racing to pinpoint where the Cyclospora parasite entered the food supply.
Source: ‘Explosive diarrhoea’ outbreak grips US: how researchers are hunting its source