Hand out the Western Blot Test sheet . Have students discuss and write down the results on the worksheet, as indicated. Discuss the results of the Western Blot tests. Discuss the methodology of the tests. The activity can be repeated with new vignettes and tests that you create.
Extensions Have students do some research in the area in which they live.
Resources Schochetman, Gerald and George, Richard J. Aids Testing Methodology and Management Issues . Springer-Verlag, New York, 1992.