Acquired immune deficiency syndrome (AIDS) poses a health threat unparalleled in modem times. Identified just a few years ago, AIDS and the human inunlmodeficiency virus (IDV) responsible for it affect millions of persons worldwide. AIDS has already become the leading cause of death among persons under 40 in some large American cities. From the beginning. it has been evident that AIDS carries unique psychological and social ramifications. In spite of its lethality, new cases of HIV infection are preventable if individuals can be assisted to make behavior changes to lessen or eliminate viral...