Cystoisospora
Lisa A. Spacek, M.D., Ph.D.
MICROBIOLOGY
MICROBIOLOGY
MICROBIOLOGY
- Cystoisospora belli (formally Isospora) is a coccidian intracellular parasite.[7]
- Mature oocysts are large (20 x 30 μm) and sporulate in the environment.[4]
- Sporulated oocysts are infective.
- Sporozoites penetrate enterocytes of small intestine where they develop into trophozoites.
- Transmission occurs by ingestion of contaminated water and food, and infection is associated with immunosuppression.[1]
- Cystoisosporiasis is endemic in tropical and subtropical areas of Central and South America, Africa, and Southeast Asia.[12]
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