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Wisconsin Department of Health Services

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Sexually Transmitted Diseases


Disease Reporting


Cyclospora cayetanensis

Cyclosporiasis is an intestinal illness caused by an infection with a microscopic one-celled parasite named Cyclospora cayetanensis. The first known human cases of cyclosporiasis were reported in 1979.

People can become infected with Cyclospora by consuming food or water contaminated with the parasite. People traveling to countries where the disease in endemic may be at increased risk for infection.

General information

Cyclosporiasis fact sheet - Hmong - Spanish

CDC Cyclosporiasis Travel information (Exit DHS)

Information for health professionals

Wisconsin case reporting and public health follow-up guidelines: Cyclosporiasis EpiNet 


Wisconsin Local Health Departments - Regional offices - Tribal agencies

Last Revised: March 04, 2014