The biological significance of the immune response with special reference to parasites and cancer.
D000818:Animals; D000917:Antibody Formation; D018407:Bacterial Physiological Phenomena; D002353:Carrier State; D002471:Cell Transformation, Neoplastic; D004064:Digestive System / Q000382:microbiology; D004463:Ecology; D006790:Host-Parasite Interactions; D006801:Humans; D007111:Immunity, Cellular; D009369:Neoplasms / Q000276:immunology*; D010272:Parasitic Diseases / Q000276:immunology*; D010586:Phagocytes / Q000276:immunology; D014352:Trypanosomiasis / Q000276:immunology; D018406:Virus Physiological Phenomena