What to know about 'explosive diarrhoea' parasite outbreak in US
A cyclosporiasis outbreak caused by a microscopic parasite has affected thousands across 17 U.S. states, with Michigan reporting nearly 1,000 cases in two weeks. Health officials are investigating the source, which is suspected to be linked to contaminated raw produce.
Why it matters
The rapid spread of this foodborne illness highlights public health vulnerabilities and the importance of monitoring food supply chains for contamination.
Image source, Getty Images By Sareen Habeshian Published 10 July 2026, 00:45 BST A diarrhoea-causing parasite outbreak has spread in a number of US states, with thousands of cases reported in recent weeks.
The report relies on data from the CDC and state health departments, presenting facts without bias.
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