Psychology 2036A/B Lecture Notes - Lecture 13: Humoral Immunity, Viral Load, Sarcoma
Document Summary
Late 1970s: rst cases of unusual syndrome. 1981: 50 known cases in us: named: acquired immune de ciency syndrome (aids) 1984: 4900 cases of aids in us. A. correlates of original 50 cases showing aids (anything in common: 1. all involved gay men, 2. all reported using a drug (amyl nitrate) to enhance sexual pleasure. Nope, some gay men that did use drug didn"t have aids: 3. multiple sexual partners (biological agent transmitted thru sexual partners?) 40 of the known aids patients could be directly linked with him. 2 years earlier he was diagnosed with kaposi sarcoma (skin cancer) But other transmission routes identi ed: could be transmitted thru heterosexual interactions, not unequally related to sexual activity, intravenous drug use, blood transfusions. C. aids is caused by an infectious agent (transmitted through exchange of body. D. 1984: aids retrovirus (arv) isolated: 1986: of cially named human immunode ciency virus (hiv)