Screening for Antibodies to the Human Immunodeficiency Virus ("Screening for HIV")
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Hypothetical health department anticipating the release of the first HIV anitbody test in 1985. Case study focuses on screening issues.
Objectives: Define and perform calculations of sensitivity, specificity, predictive-value of a positive test, and predictive-value of a negative test; Describe the relationship between prevalence and predictive value; Discuss the trade-offs between sensitivity and specificity; List the principles of a good screening program.