Cyclospora Flashcards
T or F. Mos protozoa are free-living
T!
- igest particulates such as bacteria, yeast, algae
….
C. belli and C. cayetanensis
- intestinal coccidia nfectin humans
- obligate intraell protozoa
common features of Cystoisosporaand Clycospora
- both food and water-borne
- cyst forming
- both within phylum of Apicomplexa
- both coccidian
- both intracellular infections
differences between Cystoisopora and cyclospora
morphology
size
sporulation time
Cystoisospora first described in..
1915
- more than 200 species but only one = inection in human (C. belli
T or F. The clinical signs and symptoms of Cyclospor and Cystoisospora are distinguishable
F!
transmisson of Cystoisopora belli
ingestion of contaminated food or by drinking contaminated water with mature oocyst stage
where is C. belli found?
found in tropical, subtropical ad warm temperate regions
= travelers?
T or F. Oocysts can remain viable for months
T!
what is required in the environment before oocysts become infectious
sporulation
who does C. belli infect?
immunocompetent and immunocompromised
how many stool specimens are needed to diagnose coccidial parasites?
three or more
- collected on subsequent days
- one never enough
- three over ten days?
diagnosis of C. belli
- ID of oocysts in wet mounts
- modified acid-fast….
