Proper conduct of an AIDS vaccine trial in Africa must be informed not only by the epidemiology and biology of HIV infection in African settings, but also by the ethical norms and cultural constraints prevailing in African settings.

In the expanding repertoire of practices designed to increase the supply of organs for transplantation, non-heart-beating cadaver organ donation has generated an ongoing debate in the literature. The continuing stream of articles is disquieting in part because it documents a troubling "trial-and-error ethics" approach to the formulation of organ procurement policy, and because it raises serious questions about the reasons that the development of this policy is being mediated by published communication. In the light of concerns about the implicit support (...) and credibility that professional publications give to organ procurement policies, restraint in publishing articles about non-heart-beating organ donation as well as in devising such policies is strongly advocated. (shrink)

Mass drug screening offers a deceptively simple solution to the problem of drug use among workers. Even a very effective test is subject to error. In any given group of tested individuals, some will unavoidably be falsely accused. Even though scientific tests appear to provide efficient solutions to social and legal problems, these tests should not be accepted unless they also meet our standards for fair dealing.