FDA Retracts Cyclospora Test on Taylor Farms Lettuce

The U.S. Food and Drug Administration (FDA) announced on June 13, 2024, that a test identifying the parasite Cyclospora cayetanensis in Taylor Farms iceberg lettuce was a false positive. This retraction comes after initial findings suggested the lettuce was a source of contamination in a multistate outbreak of cyclosporiasis. Despite the test's retraction, the FDA stated that the Taylor Farms iceberg lettuce remains epidemiologically linked to the outbreak cases. This means that while the specific test result was inaccurate, other evidence still points to this product as a potential source of illness. The FDA has not identified a specific lot or production date for the implicated lettuce. Cyclosporiasis is an intestinal illness caused by the microscopic parasite Cyclospora. Symptoms typically include diarrhea, loss of appetite, weight loss, stomach cramps, bloating, gas, nausea, and fatigue. Some people may also experience vomiting, a low-grade fever, body aches, and a headache. The illness is generally treated with a specific course of antibiotics. The FDA continues to investigate the multistate outbreak, working to identify the definitive source of contamination and prevent further illnesses. Consumers are advised to consult with their healthcare providers if they suspect they have cyclosporiasis. The agency is providing updates on its investigation through its public advisories and outbreak investigation pages.