... users. Doctors would take the infected blood and inject it into anyone who was in need of blood (Kanabus & Allen, 2000). Now, scientists have developed a test that allows blood banks to screen all blood to make sure there is no sign of AIDS or HIV (Siegal & Siegal, 1993, p. 88). Another contributor to ... take place. Another method of testing for HIV is RIPA (Radio-Immuno-Precipitation Assay), which takes time to process. It requires an incubation period to allow the test serum and the viral proteins to combine (Grmek, 1990, p.84). History of AIDS 11 In 1987, the FDA approved the first an...

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• Grade Level: High School