Preventing Foodborne Illness: Cyclosporiasis
microscopic image of Cyclospora cyatenensis oocysts
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Foodborne Illness
Cyclospora cayetanensis

How to Cite

Pabst, Christopher, Jaysankar De, Renée Goodrich Schneider, and Keith R. Schneider. 2019. “Preventing Foodborne Illness: Cyclosporiasis: FSHN05-19/FS130, Rev. 3/2019”. EDIS 2019 (2). Gainesville, FL.


Cyclosporiasis is an intestinal illness caused by the microscopic parasite Cyclospora cayetanensis. People can become infected with Cyclospora by consuming food or water contaminated with the parasite. People living or traveling in countries where cyclosporiasis is endemic may be at increased risk for infection. This 6-page publication is part of the Preventing Foodborne Illness series and describes symptoms and strategies for cyclosporiasis prevention for farmers, restaurants and retailers, and consumers. This major revision was written by Christopher R. Pabst, Jaysankar De, Renée Goodrich-Schneider, and Keith R. Schneider and published by the UF/IFAS Food Science and Human Nutrition Department.
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Bern, C., Y. Ortega, W. Checkley, J.M. Roberts, A.G. Lescano, L. Cabrera, M. Verastegui, R.E. Black, C. Sterling, and R.H. Gilman. 2002. Epidemiological differences between cyclosporiasis and cryptosporidiosis in Peruvian children. Emerging Infectious Diseases 8:581–585.

Centers for Disease Control and Prevention (CDC). 2013. Notes from the field: Outbreaks of cyclosporiasis-United States, June–August 2013. Morbidity and Mortality Weekly Report 62:862–862.

Centers for Disease Control and Prevention (CDC). 2018a. Multistate Outbreak of Cyclosporiasis Linked to Fresh Express Salad Mix Sold at McDonald’s Restaurants — United States, 2018a. Available at: Accessed on January 28, 2019.

Centers for Disease Control and Prevention (CDC). 2018b. Parasites – Cyclosporiasis (Cyclospora infection). Available at: Accessed on January 26, 2019.

Centers for Disease Control and Prevention (CDC). 2017. Traveler’s health. Chapter 3; Infectious Diseases Related to Travel. Available at: Accessed on January 28, 2019.

Chacín-Bonilla, L. 2010. Epidemiology of Cyclospora cayetanensis: A review focusing in endemic areas. Acta Tropica 115:181–193.

Chacín-Bonilla, L. 2017. Cyclospora Cayetanensis. In: J.B. Rose and B. Jiménez-Cisneros, (eds) Global Water Pathogens Project. (J.S Meschke, and R. Girones (eds) Part 3 Viruses) Michigan State University, E. Lansing, MI, UNESCO.

Eberhard, M. L., E. K. Nace, and A. R. Freeman. 1999. Survey for Cyclospora cayetanensis in domestic animals in an endemic area in Haiti. The Journal of Parasitology 85:562.

Hall, R.L., J.L. Jones, and B.L. Herwaldt. 2011. Surveillance for laboratory-confirmed sporadic cases of cyclosporiasis-United States, 1997–2008. Morbidity and Mortality Weekly Report. 60:1–13.

Mansfield, L.S. and A.A. Gajadhar. 2004. Cyclospora cayetanensis, a food-and waterborne coccidian parasite. Veterinary Parasitology 126:73–90.

Ortega, Y.R., and L. J. Robertson. 2017. Cyclospora cayetanensis as a foodborne pathogen. Springer, Cham.

Ortega, Y.R. and R. Sanchez. 2010. Update on Cyclospora cayetanensis, a food-borne and waterborne parasite. Clinical Microbiology Reviews 23:218–234.

Torres-Slimming, P.A., C.C. Mundaca, M. Moran, J. Quispe, O. Colina, D.J. Bacon, A.G. Lescano, R.H. Gilman, and D.L. Blazes. 2006. Outbreak of cyclosporiasis at a naval base in Lima, Perú. The American Journal of Tropical Medicine and Hygiene 75:546–548.

Turgay, N., A. Yolasigmaz, D. D. Erodogan, F.Y. Zeyrek, and A. Uner. 2007. Incidence of cyclosporiasis in patients with gastrointestinal symptoms in western Turkey. Medical Science Monitor 13:CR34–CR39.

U.S. Food & Drug Administration (FDA). 2018. Division of foodborne pathogens. Fact sheet: Cyclospora. Available at: Accessed on January 28, 2019.

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