title: Diphtheria acquired during a cruise in the Baltic Sea: update.
mesh_terms: D003353:Corynebacterium diphtheriae / Q000145:classification / Q000302:isolation & purification*; D004165:Diphtheria / Q000175:diagnosis / Q000453:epidemiology / Q000635:transmission*; D005260:Female; D006801:Humans; D014586:USSR / Q000453:epidemiology