Cystoisospora belli

**Semantic type:** Eukaryote

**Definition:** A species of coccidian protozoan parasite in the family Sarcocystidae. C. belli is an opportunistic pathogen in immunocompromised individuals. Transmission occurs by ingestion of fecal-contaminated food or water. This species is the causative agent of cystoisosporiasis.

**Synonyms:** - CYSTOISOSPORA BELLI - Isospora belli