Cyclospora cayetanensis
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MICROBIOLOGY
- Single-celled coccidian parasite
- Member of family Eimeriidae, subclass Coccidiasina, subphylum Apicomplexa.
- Humans appear to be only known to have C. cayetanensis (no animal reservoirs have been identified).
- Infected persons shed unsporulated (non-infective) oocysts in feces.
- It takes ~1-2 weeks for oocysts to sporulate and become infective (therefore person-to-person transmission less likely).
- Other members (13) of Cyclospora found in animals including rodents, vipers.
- Cysts are 7.7-9.9 µm in diameter in stool appears as a sphere with morulae within [Fig 1].
- Autofluorescent under ultraviolet microscopy.
- It can be responsible for water- or food-borne outbreaks.
- Routine chemical disinfection or sanitizing methods of food and water don’t generally kill Cyclospora oocysts.
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MICROBIOLOGY
- Single-celled coccidian parasite
- Member of family Eimeriidae, subclass Coccidiasina, subphylum Apicomplexa.
- Humans appear to be only known to have C. cayetanensis (no animal reservoirs have been identified).
- Infected persons shed unsporulated (non-infective) oocysts in feces.
- It takes ~1-2 weeks for oocysts to sporulate and become infective (therefore person-to-person transmission less likely).
- Other members (13) of Cyclospora found in animals including rodents, vipers.
- Cysts are 7.7-9.9 µm in diameter in stool appears as a sphere with morulae within [Fig 1].
- Autofluorescent under ultraviolet microscopy.
- It can be responsible for water- or food-borne outbreaks.
- Routine chemical disinfection or sanitizing methods of food and water don’t generally kill Cyclospora oocysts.
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