1. Elements of the Immune System and Their Roles in Defense

2. Innate Immunity: The Immediate Response to Infection

3. Innate Immunity: The Induced Response to Infection

4. Antibody Structure and the Generation of B-Cell Diversity

5. Antigen Recognition by T Lymphocytes

6. The Development of B Lymphocytes

7. The Development of T Lymphocytes

8. T Cell-Mediated Immunity

9. Immunity Mediated by B Cells and Antibodies

10. Preventing Infection at Mucosal Surfaces

11. Immunological Memory and Vaccination

12. Natural Killer Cells

13. Unconventional Lymphoid Cells

14. Failures of the Body’s Defenses

15. Allergy and the Immune Response to Parasites

16. Transplantation of Tissues and Organs

17. Disruption of Healthy Tissue by the Adaptive Immune Response

18. Cancer, Immunity, and Immunotherapy