USA – FDA Investigation of a Multistate Outbreak of Cyclospora Illnesses Linked to Fresh Express Salad Mix Served at McDonald’s Ends

FDA Cyclospora_LifeCycle201

The FDA, CDC, along with state and local officials investigated a multi-state outbreak of cyclosporiasis illnesses likely linked to salads from McDonald’s restaurants.

Update – September 12, 2018

As of September 11, 2018, this outbreak appears to be over. A total of 511 laboratory-confirmed cases of Cyclospora infection were reported in people who consumed salads from McDonald’s restaurants; the cases were reported by 15 states and New York City.

The FDA investigated distribution and supplier information for romaine and carrots but did not identify a single source or potential point of contamination for this outbreak.


Consumers who have symptoms of cyclosporiasis should contact their health care provider to report their symptoms and receive care.

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