Atlas of foodborne infections
transmitted by contaminated food and water

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Cyclospora cayetanensis

CZ: cyklospora
EN: cyclospora

Occurrence:
Fruits and Vegetables
Water and Beverages


Category:
Parasites


Foodborne Disease:
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cyclosporosis -  watery diarrhoea (sometimes explosive), stomach cramps, nausea, vomiting, muscle aches, low-grade fever and fatigue.


Description:
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Cyclospora cayetanensis, cause of cyclosporiosis, is a one-celled, microscopic parasite. Cyclospora cayetanensis is previously known as cyanobacterium-like or coccidia-like body (CLB). People get cyclosporiasis by consuming food or water contaminated with C. cayetanensis oocysts (the infective stage of the organism); by putting anything into your mouth that has touched the stool of a person or animal with cyclosporiosis.

Symptoms include watery diarrhoea (sometimes explosive), stomach cramps, nausea, vomiting, muscle aches, low-grade fever, and fatigue. Symptoms typically appear about 1 week after ingestion of C. cayetanensis oocysts. If untreated, the symptoms may last a week to more than a month.

Symptoms may return. Persons of all ages are at risk for infection. Trimethoprim/sulfamethoxazole (TMP/SMX), or Bactrim, Septra, or Cotrim, has been shown in a placebo-controlled trial to be effective treatment for Cyclospora infection.

 

 

 


Pictures:

Cyclospora
Source: Cyclospora oocyst (coloured)
Cyclospora
Source: Life cycle of Cyclospora
Cyclospora
Source: Oocyst of genus Cyclospora
Cyclospora
Source: Oocyst of genus Cyclospora after flotation of feces

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