Introduction<br><br>I. Section I: Contexts and Principles: epidemiology, applied virology, microbiology, infectious disease and behavioural psychology applied to the design of AIDS prevention interventions<br> <br>Chapter 1: Current And Future Trends: Implications For Prevention<br>Chapter 2. Biology of HIV Transmission<br>Chapter 3: Principles and Theories of Behavior Applied to HIV Prevention<br><br>II. Section II: Evidence-Based Prevention Interventions: programs for at-risk populations <br><br>Chapter 4. Individual Interventions<br>Chapter 5. Dyadic and Group Interventions<br>Chapter 6. Structural Interventions in Societal Contexts<br>Chapter 7: Voluntary Counselling and Testing<br>Chapter 8: Interventions With Men Who Have Sex With Men<br>Chapter 9. Interventions With Injecting Drug Users<br>Chapter 10: Interventions With Sex Workers<br>Chapter 11: Interventions With Youth in High Prevalence Areas<br>Chapter 12: Interventions With Incarcerated and Institutionalized Persons<br>Chapter 13. Preventing Perinatal Transmission<br> <br>III. Policy, Technology and Research: Biomedical technologies for prevention, testing and research<br><br>Chapter 14. Harm Reduction and Public Health <br>Chapter 15. STD Control for HIV Prevention<br>Chapter 16 Using Antiretrovirals to Prevent HIV Transmission<br>Chapter 17 Microbicides<br>Chapter 18 Vaccines<br>Chapter 19. Program Monitoring and Evaluation<br>