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


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

Update – August 16, 2018

As of August 16, 2018, a total of 476 laboratory-confirmed cases of Cyclospora infection were reported in people who consumed salads from McDonald’s restaurants; the cases were reported by 15 states. The investigation is ongoing and the FDA is currently reviewing distribution and supplier information for romaine and carrots.


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

Case Counts

Total Illnesses: 476
Hospitalizations: 21
Deaths: 0
Last illness onset: 7/20/2018
States with Cases: CT, FL, IA, IL, IN, KY, MI, MN, MO, NE, OH, SD, TN, VA, WI

Note: The Connecticut, Tennessee, and Virginia case-patients purchased salads while traveling in Illinois; the Florida case-patient purchased a salad while traveling in Kentucky

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