Psychology 2036A/B Lecture Notes - Lecture 9: University Of Western Ontario, Liquid Oxygen, Sexual Intercourse

• School: Western University
• Department: Psychology
• Course: Psychology 2036A/B
• Professor: Doug Hazlewood

Document Summary

Part 1: a brief history of aids and hiv. Late 1970"s: first cases of unusual syndrome. 1981: 50 known cases in us: syndrome is named: acquired immune deficiency syndrome (aids) 1984: 4900 cases of aids in us. Part 2: epidemiology of aids: correlates of original 50 cases, gay men, used drug (amyl nitrate) to enhance sex; 40 aids patients directly linked to him. He eventually died of aids: but: other transmission routes: Blood transfusions: aids is caused by an infectious agent. A virus: 1984: aids retrovirus (arv) isolated. Part 3: the biology of hiv infection: background. All viruses reproduce by infecting host cells host cell makes copies of itself. Rna copies itself to dna (reverse transcription) Viral dna integrates itself into dna of host cell. Tells host to replicate new copies of viral rna (hiv) New copies of hiv leave host cell (and infect new hosts)