HSS 1100 Lecture Notes - Lecture 7: Vicks Vaporub, Immunodeficiency, Drug Resistance

• School: University of Ottawa
• Department: Health Sciences
• Course: HSS 1100
• Professor: Franco Pagotto

Document Summary

Cha(cid:374)(cid:272)re (cid:894)(cid:373)ea(cid:374)s (cid:858)lesio(cid:374)(cid:859)(cid:895: caused by syphilis, stages of syphilis* primary, secondary, latent, late, treponima pallina. Cold sore: always occurs at the junction of the lip and skin, caused by herpes virus (herpes simplex) (cid:858)oral herpes(cid:859, no cure/vaccine. Canker: aphthous ulcer, break in mucuous membrane, causes unknown, citrus, stress, fatigue, braces, etc. make it worse. If bullseye rash is red and raised: fungal infection. If rash is pink and flat: lyme disease. Parasitism: host: organism which is the home and/or food source for parasite, vector: how parasite gets from one host to the other. Intermediate host: secondary home; like condo in florida: ex; in lyme disease, the vector is the tick. Transmission depends on many factors such as water quality, hygiene, proximity to animals, etc: modes of transmission: person-to-person (faecal-oral route), water, food, zoonotic, inset vectors, blood/organ transplant, congenital, penetration through skin, sexual contact. Single-celled eukaryotes (phylum protozoa: giardia, trichomonas vaginalis, entamoeba histolytica, toxoplasma gondii, plasmodium spp, cryptosporidium spp, cyclospora.