IB Biology — Topic 3.7

Defence against infectious disease

C3.2

Sub-topics in Topic 3.7

3.7.1Pathogens, disease and primary defences3.7.2Blood clotting and sealing wounds3.7.3Innate immunity: phagocytes3.7.4Adaptive immunity, antibodies and memory3.7.5HIV/AIDS and vaccination3.7.6Antibiotics, resistance and zoonoses

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