Screening for Antibodies to the Human Immunodeficiency Virus ("Screening for HIV")

Edit original node
Author(s)
Lyle Peterson, Guthrie Birkhead, Richard Dicker
Date published
Jan, 1987
Last updated
21 Jan 2020

Summary

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.