title: Isolation of C. diphtheriae gravis in Leeds.
mesh_terms: D000293:Adolescent; D000328:Adult; D002353:Carrier State; D003353:Corynebacterium diphtheriae / Q000302:isolation & purification; D004165:Diphtheria / Q000453:epidemiology*; D004739:England; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male