Cystoisosporiasis

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Synonym(s)
Isosporiasis

An intestinal infection caused by the protozoan parasite Cystoisospora belli (formerly called Isospora belli). Cystoisosporiasis can be spread by ingesting food or water contaminated with the parasite. Symptoms of cystoisosporiasis include watery diarrhea, abdominal pain, loss of appetite, weight loss, and fever. In people with HIV, chronic cystoisosporiasis (lasting longer than 1 month) is an AIDS-defining condition.

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