US declares end of largest recorded cyclosporiasis outbreak

by | Sep 11, 2026 | World

US declares end of largest recorded cyclosporiasis outbreak

U.S. health authorities announced the conclusion of the nation’s most significant cyclosporiasis outbreak on record, with the Centers for Disease Control and Prevention confirming that contaminated produce linked to the outbreak has been removed from retail distribution. The outbreak resulted in 12,883 confirmed cases, 570 hospitalizations, and two deaths across 21 states.

The outbreak was traced to iceberg lettuce sourced from central Mexico by Taylor Farms de Mexico, which issued a recall of its product from the region on July 17. Initial cases were identified at Taco Bell locations, leading investigators to identify Taylor Farms as the distributor supplying restaurants and retail establishments throughout the country. At the height of the outbreak, more than 1,000 infections were documented in a single day, though reported cases had declined to fewer than two per day on average by August.

The incident represents part of a broader surge in cyclosporiasis cases nationwide this year, with nearly 20,000 laboratory-confirmed infections reported since May 1, significantly exceeding figures from the same period the previous year. This spike marks the highest volume recorded since 2019, when approximately 4,700 cases were documented. Michigan experienced the most severe impact from the lettuce-related outbreak and reported both fatalities.

The outbreak has prompted renewed examination of domestic food-safety frameworks, particularly regarding the government’s capacity to detect contaminated produce before distribution. Federal inspections of foreign food facilities have declined significantly, with the Food and Drug Administration conducting only around 1,700 of the 19,000 annual international facility inspections it is intended to conduct. The Mexican farm involved in the outbreak was not inspected until roughly one month after the investigation commenced. Recent policy changes have further affected oversight, including the Trump administration’s reduction of FoodNet tracking for Cyclospora and other pathogens, while implementation of enhanced traceability rules for leafy greens has been postponed to 2028.

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