BIO SCI 45 Lecture Notes - Lecture 3: Antibody, Sarcoma, Polio Vaccine
28 May 2016
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Ecological fallacies- explaining behavior of an individual by behavior of a group. Don"t confuse membership in a group with cause of a disease. Example: homosexuality is not a cause of aids. Identify factors of behaviors that elevate risk of a disease. Rule out factors or behaviors for a disease. Pneumasistis pneumonia and kaposis sarcoma were observed at the time period in gay men. Later on: it was observed that the same syndrome in recipients of blood + blood products -> blood transmissions. The syndrome was also observed in children of aids patients -> birth transmission. Study of aids patients, members of high risk groups. Once hiv was isolated, the development of the hiv elisa test came to be (measures presence of hiv antibodies) Led to the understanding of the size of the epidemic. 1987: the clinical trial of azt (first effective anti-hiv drug) Analytical studies: seek to explain causes of diseases. Tools in epidemiology studies rates (proportions of populations)
