FDA Confirms Cyclospora Parasite Found At Mexican Farm Linked To Massive Iceberg Lettuce Outbreak

The U.S. Food and Drug Administration has confirmed the physical detection of the microscopic parasite Cyclospora chayotinensis at an independent farm in Guanajuato, central Mexico, providing definitive physical evidence linking the site to a widespread multi-state foodborne illness outbreak.

According to official regulatory statements released on October 2, 2026, federal inspectors collected positive environmental and agricultural samples during an on-site investigation conducted at a grower facility supplying produce to Taylor Farms de Mexico.

The finding resolves months of regulatory scrutiny following a massive outbreak linked to shredded iceberg lettuce that infected over 1,600 people across multiple states, heavily impacting major national restaurant chains, including Taco Bell.

The FDA's announcement comes more than six weeks after federal investigators traveled to the Guanajuato facility alongside Mexican health officials.

Notably, the trip marked the agency's first physical inspection trip to a Mexican produce farm in over seven years, following a dramatic decline in international food safety oversight that began during the COVID-19 pandemic.

In response to the FDA's findings, Taylor Farms issued a public statement clarifying that the specific contaminated field belonged to an independent third-party grower Hey guys, Lady Luck here.