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Cyclospora Infection (Cyclosporiasis) (cont.)

Cyclospora Infection Diagnosis

Cyclospora infections are not common in the U.S., so individuals who have been in endemic areas or who have other health concerns (for example, long-term diarrhea, eating imported foods without careful washing) should inform their medical caregivers if they suspect a Cyclospora infection. In turn, medical caregivers need to alert laboratories they suspect such infections so that the fecal specimens will be tested specifically for Cyclospora parasites. In addition, it is likely other tests will be done to determine if other pathogens or similar parasites like Microsporidia are causing the symptoms.

Labs may need to examine and concentrate samples because only a low number of oocysts are shed into the feces. In addition, special stains, fluorescence microscopy, or PCR tests are used to find and identify the parasites.

Medically Reviewed by a Doctor on 4/24/2015

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