Ключевые слова: 3d, background, bacterium, biology, bugs, cells, closeup, corynebacterium, diphtheria, diphtheriae, disease, dtap, dtp, epidemic, experiment, fever, grampositive, health, human, illness, illustration, immunisation, infection, macro, medical, medicine, micro, microbe, microbiology, microorganisms, microscope, microscopic, organism, pathology, pseudomembrane, quinvaxem, research, respiratory, rodshaped, science, scientific, sick, sickness, tdap, tetraxim, tonsils, toxin, ulcer, ulcerans, vaccine,