ch. 1. Introduction -- ch. 2. The classic plagues, I -- ch. 3. The classic plagues, II -- ch. 4. Persistent scourges -- ch. 5. Children's diseases -- ch. 6. Winter and seasonal ailments -- ch. 7. Tropical diseases, I -- ch. 8. Tropical diseases, II -- ch. 9. Vaccine-preventable diseases -- ch. 10. Newly-emergent diseases, I -- ch. 11. Newly-emergent diseases, II -- ch. 12. Changing patterns of disease.