The contributors of this volume explore the history of HIV and its enormous impact on today's understanding of how viruses undergo their processes on the nonhuman and human. It explains how the HIV research has taught us about the human immune system and possibilities for new therapies for handling viruses. This book highlights the lessons learned over the past 20 years about AIDS and the lessons learned from AIDS, and highlights the knowledge that may advance worthwhile strategies for combating HIV and AIDS in the future. The 11 chapters include: The Virus Versus the Immune System, How Infectious is Infectious, The Race Against Time: The Challenge for Clinical Trials, Sex and Drugs and the Virus, and more.