Diphtheria
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Etiology/Bacteriology
Taxonomy
| Domain = Bacteria | Phylum = Actinobacteria | Class = Actinobacteria | Order = Actinomycetales | Family = Corynebacteriaceae | Genus = Corynebacterium | Species = Diphtheriae
Description
C. diphtheriae infections are the causal agent of diphtheria. Four subspecies are recognized: C. d. mitis, C. d. intermedius, C. d. gravis, and C. d. belfanti. C. diphtheria is known to produce diphtheria toxins. C. diphtheria are Gram-positive, rod-shaped, aerobic, nonmotile, and highly pleumorphic.