Microbiology and Immunology 2500A/B Study Guide - Midterm Guide: Giardia Lamblia, Leishmaniasis, Dientamoeba Fragilis

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P aras itolog y dr. c olby. Infec tion: a parasitic relationship, one organism benefits and the other gets sick. Ectoparasites exterior to the body: biting insects and arthropods. Enteric p rotozoa found in the gut (g i tract) B lood and tis s ue p rotozoa. Associated with foreign travel and domestic camping. Long incubation period: time of acquisition of infection time that there are symptoms, does not refer to when a lab test might be positive. S ymptoms are often prolonged/ recurring but not as severe. There are no protozoa that are normal to the human body: p rotozoa in the body is a sign of infection, p atient exposed to substandard food or water, true for non-pathogenic protozoa as well. Most protozoa has 2 forms: c yst less active, more environmentally stable. G ets passes from one patient to another. Is the infective form: trophozoite the active form.