Cyclosporiasis outbreak sickens over 11000 people

A major cyclosporiasis outbreak linked to shredded iceberg lettuce has sickened over 11000 people and exposed critical resource gaps in the US public health system. Local health departments struggled with staffing shortages and delayed federal warnings while managing the surge.

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FILE PHOTO: Lettuce grows on a farm near Salinas, California, U.S., August 11, 2026. REUTERS/Fred Greaves/File Photo

A massive cyclosporiasis outbreak sickened over 11,000 people across 20 states in the United States, resulting in two deaths. The parasitic infection traced back to shredded iceberg lettuce supplied to YUM! BRANDS INC restaurants. The crisis exposed severe vulnerabilities in food safety infrastructure following decades of underfunding.