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Unformatted text preview: protozoan; causes severe diarrhea in compromised hosts; aggressive disinfection required for cysts • Cyclospora sp- recent outbreaks due to contaminated produce; causes severe diarrhea in compromised hosts Blood and tissue flagellates • Leishmania mexicana - vector borne; sand fly; mucocutaneous leishmaniasis; crustated ulcers usually with scarring • Trypanosoma cruzi- Chaga’s disease (American trypanosomiasis); vector borne- Triatomine (kissing) bug; affects heart and other organs Gastrointestinal/ genitourinary flagellates • Giardia sp- first seen by van Leeuwenhoek in 17 th century! Extremely common- often in daycares, cyst contaminated water can be a problem; foul smelling gassy diarrhea! • Trichomonas vaginalis – causes an STD “trich”; 7 million cases in US (!) annually; cysts infect and become trophs causing vaginal itching etc...
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This note was uploaded on 05/15/2010 for the course BIO 326M taught by Professor Field during the Spring '08 term at University of Texas at Austin.
- Spring '08