Pathogens, Immunity and Vaccination — Pathogens and disease; The four types of pathogen; How pathogens spread; The body's defences; Immunity and vaccination; Treating disease
Communicable Diseases and Pathogens — What Are Communicable Diseases?
Human Defences Against Disease — Non-Specific Defences
Vaccination and Antibiotics — Vaccination
Monoclonal Antibodies and Plant Diseases — Monoclonal Antibodies