1. Introduction -- 2. Update on the HIV epidemic -- 3. Selected health sector interventions for HIV prevention -- 4. Knowledge of HIV status -- 5. Scaling up treatment and care for people living with HIV -- 6. Scaling up services for key populations at higher risk of HIV infection -- 7. Scaling up HIV services for women and children: towards eliminating mother-to-child transmission and improving maternal and child health in the context of HIV -- 8. Conclusions: achieving and sustaining Universal Access.