Chapter 1: Prevention of HIV infection.Abstract.1.0 Introduction and background.1.1. General non-pharmacological measures.1.2. Prevention of perinatal HIV transmission.1.2.1. Breast-feeding and HIV transmission.1.3. Postexposure prophylaxis for cutaneous exposure.1.3.1. Nonhuman primate studies.1.3.2. Postexposure prophylaxis after percutaneous or occupational exposures.1.4. Sexual transmission of HIV and non-occupational needle exposure.1.4.1. Biology...