* 1 Introduction * 2 Transmission * 3 The clinical course of HIV-1 infection o 3.1 Primary Infection o 3.2 Clinical Latency o 3.3 The declaration of AIDS * 4 HIV structure and genome * 5 HIV tropism * 6 Replication cycle of HIV o 6.1 Viral entry to the cell o 6.2 Viral replication and transcription o 6.3 Viral assembly and release * 7 Genetic variability of HIV * 8 Treatment * 9 Epidemiology * 10 Alternative theories * 11 References * 12 External links * 13 AIDS News