Cyclospora cayentanensis

*image from Diagnosis/Vol2.htm


Cyclospora cayentanensis is a protozoan parasite that can cause cyclosporiasis, a human disease most commonly associated with prolonged cases of diarrhea. First documented in 1979, cyclosporiasis is considered an emerging infectious disease. Most infections occur in endemic areas in the tropics but there have been a few major multi-state outbreaks in the United States in the 1990s. Because Cyclospora cayentanensis has only recently been discovered and connected to human disease, there is still much that is unknown about the nature and classification of this parasite, the pathogenesis of the infection it causes and its epidemiology.

April Price
Human Biology 103: Parasites and Pestilence
Stanford University
Spring 2002

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