Diphtheria is an acute disease caused by toxin-producing strains of  Corynebacterium diphtheriae  (in some cases also by  Corynebacterium ulcerans ) bacteria, that is known to colonise mucous membranes.
Davica je akutna bolezen, ki jo povzročajo toksikogeni sevi bakterije  Corynebacterium diphtheriae  (v nekaterih primerih tudi  Corynebacterium ulcerans ), ki se naselijo na sluznici.