US cyclosporiasis outbreak cases rise
Analysis based on 6 articles · First reported Jul 14, 2026 · Last updated Jul 14, 2026
The outbreak may affect consumer confidence in fresh produce, potentially impacting sales for food companies. Healthcare systems in affected states may see increased demand for treatment of gastrointestinal illnesses.
The U.S. is experiencing a large outbreak of cyclosporiasis, an intestinal infection caused by consuming contaminated food or water. As of July 13, lab-confirmed cases have reached 1,645 across 34 states, with 141 hospitalizations and no deaths. The outbreak began on May 1 and is centered in United States — Michigan, which alone reports 3,309 cases. United States — Ohio and New York also have high case numbers. The CDC is investigating the source of contamination, which remains unidentified, and is tracing foods through the supply chain using genetic sequencing. The agency notes a six-week lag in reporting, so more cases are expected.
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