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Outbreak investigation of Cyclospora: Bagged salads (June 2020)

CDC announces the end of the outbreak; FDA continues its investigation.

FSS recalls generic image
September 28, 2020

Investigation Update

September 25, 2020

As of September 25, 2020, CDC has announced this outbreak is over. FDA’s traceback investigation is complete, however the cause or source of the outbreak has not been determined. FDA’s investigation is continuing, in consultation with the state agriculture and regional water board.

FDA investigated multiple farms identified in the traceback, one of which led to sampling and investigation around a farm in south Florida. FDA continues to work with the state of Florida and the local water district to try to determine the source and impact of Cyclospora that was found in the regional water management canal (C-23), located west of Port St. Lucie, Florida. Given the emerging nature of genetic typing methodologies for this parasite in foods and in environmental samples, the FDA has been unable to determine if the Cyclospora detected in the canal is a genetic match to the clinical cases, therefore, there is currently not enough evidence to conclusively determine the source of this outbreak. However, the presence of Cyclospora in a canal that had previously supplied irrigation water in the region, and specifically to a farm identified in the traceback, suggests the need for a collaborative effort by state, federal and industry partners to better define the scope of the contamination and identify appropriate risk mitigation measures. 

Previous Updates

KEYWORDS: cyclospora salad

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