Pt. I. Global health. 1. Health, disease and the health transition. 2. Global health: past trends and present challenges. 3. Contemporary global health issues -- Pt. II. Epidemiology. 4. Evolution of epidemiology: ideas and methods. 5. The current state of epidemiology: achievements and limitations. 6. Challenges for epidemiology: historical and contemporary -- Pt. III. Public health. 7. Public health themes. 8. Public health organisation and practice in wealthy countries. 9. Public health organisation and practice in poor countries. 10. Public health at the crossroads.