cy·​clo·​spo·​ra ˌsī-klō-ˈspȯr-ə How to pronounce cyclospora (audio)
: any of a genus (Cyclospora of the order Coccidia) of sporozoans including one (C. cayetanensis) causing diarrhea in humans

Examples of cyclospora in a Sentence

Recent Examples on the Web Dole is recalling a limited number of cases of fresh blueberries due to a potential cyclospora contamination. Brett Molina, USA TODAY, 29 June 2021 An outbreak of intestinal illness linked to eating McDonald's salads contaminated with a cyclospora parasite sickened more than 500 of the chain's customers in the summer of 2018. CBS News, 22 May 2020 Four cases of cyclospora required hospitalization, none of which were in Minnesota. Forum News Service, Twin Cities, 26 July 2019 This month the company had to find a new supplier for its salads at some 3,000 restaurants mostly in the Midwest because of a cyclospora outbreak tied to McDonald’s. Heather Haddon, WSJ, 26 July 2018 Iowa’s Department of Public Health said Thursday 15 people in that state reported getting sick with cyclospora infections after eating McDonald’s salads between late June and early July. Jesse Newman, WSJ, 13 July 2018 Cyclosporiasis is caused by a microscopic parasite, known as cyclospora, found in food or water that has been contaminated with feces. Matthew Haag, New York Times, 13 July 2018 Consumers can also protect themselves from foodborne illnesses by cooking raw produce, which kills most pathogens including parasites like cyclospora. Amanda MacMillan,, 10 July 2018 The outbreak of cyclosporiasis, an intestinal infection caused by the cyclospora parasite, was first tracked by the Centers for Disease Control and Prevention (CDC) in mid-June, after 78 people were reported ill across the region. Fox News, 10 July 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cyclospora.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin, from cycl- + spora spore

First Known Use

1993, in the meaning defined above

Time Traveler
The first known use of cyclospora was in 1993

Dictionary Entries Near cyclospora

Cite this Entry

“Cyclospora.” Dictionary, Merriam-Webster, Accessed 16 Apr. 2024.

Medical Definition


capitalized : a genus of coccidian protozoans that produce an oocyst containing two sporocysts with each sporocyst containing two sporozoites and that include one (C. cayetanensis) causing diarrhea in humans
: a protozoan of the genus Cyclospora
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