Cyclospora found at Mexican farm linked to lettuce outbreak, FDA says, tell me about this news today
03-10-2026
The U.S. Food and Drug Administration (FDA) confirmed that investigators detected the microscopic parasite Cyclospora cayetanensis at a farming site in Guanajuato, Mexico, providing strong epidemiological evidence linking the location to a major foodborne illness outbreak tied to imported iceberg lettuce.
Here are the key details of the development:
The Outbreak Link: The findings follow an on-site FDA investigation into facilities connected with Taylor Farms de Mexico. The outbreak, which sickened thousands of consumers across multiple U.S. states over the summer, had previously led to widespread recalls of iceberg lettuce and temporary closures.
The Guardian+ 1Company Response: Taylor Farms stated that the positive sample originated from an independent grower who has since been removed from their supplier network. The company noted its central Mexico processing facility remains closed while enhanced safety and sanitation protocols are deployed across its supply chain.
The Guardian+ 1Prior Dispute & Verification: The FDA’s announcement resolves months of conflicting reports. Earlier in the summer, Mexican safety authorities claimed their independent tests did not detect the parasite, and the FDA had to re-verify border testing protocols following an initial laboratory false positive.
WBOC TVThe Illness: Cyclospora is a parasite spread through water or surfaces contaminated with human feces. Infection causes cyclosporiasis, marked by severe watery diarrhea, abdominal cramping, fatigue, bloating, and loss of appetite. While the broader outbreak was officially declared over, the confirmation identifies the origin of contamination to prevent future recurrence.
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