Psychology 2075 Lecture Notes - Lecture 13: Simian Immunodeficiency Virus, Opportunistic Infection, Viral Load

• School: Western University
• Department: Psychology
• Course: Psychology 2075
• Professor: William Fisher

Document Summary

Reducing the risk: understanding and promoting sexual and reproductive health. 1: transmitted by mot pleasurable human activity, transmitted by behaviour required for species survival, keeps host healthy and infectious for years. Low risk but not no risk: oral sex, high risk, unprotected penile vaginal/anal intercourse. The aids epidemic: history and current status: 1981-1996. "treatment as prevention" "tasp: pre-exposure prophylaxis "prep" Highly active antiretroviral therapy: hiv undergoes very rapid, error-prone replication, critical importance of early, multidrug intervention, critical importance of adherence to therapy, viral load, viral escape. If you stop viral replication, you stop production of errors that could be resistant to drugs. Antiviral vaginal microbicide: 2010: a woman controlled gel, used before and after sexual encounter placed in vagina, that has multidrug treatment of. If you use the gel, there is a 60% reduction in women infection. If an uninfected person takes this therapy, they have 70-90% infection even if they engage in risky behaviour.