BIO SCI 45 Lecture 9: 09 AIDS Epidemiology Part 1
7 Oct 2016
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Document Summary
Epidemiology the study of patterns of disease occurrence in populations and of the factors affecting them: important to understanding human diseases, can be used to address many questions. Limitations and risks in interpretations: cannot predict how a single individual will be affected, cannot predict course a disease will take in a particular person. Risks associated with drawing improper conclusions: ecological fallacy: explaining behavior of an individual based on observations of an entire group, identifying characteristics of a group as causing a disease, male homosexuals are at high risk for aids -> Certain sexual behaviors by some homosexual men link them to. Epidemiological studies provide information about causes and dynamics of human diseases. Central role in fight against aids right from beginning. Aids cases among: recipients of blood transfusions or blood products (hemophiliacs, injection drug users, suggested that aids transmitted through contaminated blood. Study individuals afflicted with aids and groups of high-risk individuals led to isolation of hiv.
