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The Centers for Disease Control and Prevention (CDC) reported the number of cyclosporiasis illnesses acquired in the United States with onset on or after April 1, 2023 has risen to over 200.

Cyclospora oocysts
Oocysts of C. cayetanensis viewed under differential interference contrast (DIC) microscopy.
Image/CDC DPDx

As of June 20, 2023, a total of 210 laboratory-confirmed cases of cyclosporiasis in people who had not traveled outside the United States during the 14 days before they got sick have been reported from 23 jurisdictions, including 22 states and New York City.

Arizona has reported the most cases, followed by Georgia, Texas and New York.

30 hospitalizations have been reported and no deaths.

The total number of laboratory-confirmed cases reported since April 1, 2023, includes 20 cases in Georgia and Alabama linked to an outbreak associated with raw imported broccoli.  Although FDA and state and local partners conducted traceback investigations, there was not enough information to identify a specific type or producer of the broccoli.

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Cyclosporiasis illnesses are reported year-round in the United States. However, during the spring and summer months there is often an increase in cyclosporiasis acquired in the United States.

In previous years, the reported number of cases peaked between June and July, although cases can be reported as late as September.

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Multiple outbreaks of cyclosporiasis caused by different foods can be reported during the same year. Previous U.S. outbreaks of cyclosporiasis have been linked to various types of fresh produce, including basil, cilantro, mesclun lettuce, raspberries, and snow peas. However, many cases of cyclosporiasis cannot be directly linked to an outbreak.