title: [Present problems concerning the study of the pathogenic agent and its importance in the epidemiology of diphtheria].
mesh_terms: D003353:Corynebacterium diphtheriae / Q000472:pathogenicity*; D004165:Diphtheria; D004196:Disease Outbreaks; D006801:Humans
vernacular_title: Problèmes actuels concernant l'étude de l'agent pathogène et son importance dans l'épidémiologie de la diphtérie.