ANTIBODY, ARM, ARMS, ARTWORK, BACKGROUND, BIOCHEMICAL, BIOCHEMISTRY, BIOLOGICAL, BIOLOGY, BLUE, BURGSTEDT, CHRISTOPH, CONDITION, DEFENCE, DEFENSE, DISEASE, DISORDER, GLOBULIN, HEALTH, HUMORAL, IG, ILLUSTRATION, IMMUNE, IMMUNITY, IMMUNOGLOBULIN, IMMUNOLOGICAL, IMMUNOLOGY, MICROBIOLOGICAL, MICROBIOLOGY, MODEL, MOLECULAR, MOLECULE, NO-ONE, NOBODY, PANDEMIC, PARTICLE, PROTEIN, RECOGNITION, SHAPED, STRUCTURE, SYSTEM, VACCINATION, VIROLOGY, VIRUS, Y, Y-SHAPED,