title: Toxigenic Corynebacterium diphtheriae associated with the Haj.
mesh_terms: D002353:Carrier State / Q000382:microbiology; D002648:Child; D003353:Corynebacterium diphtheriae / Q000302:isolation & purification / Q000472:pathogenicity*; D004165:Diphtheria / Q000382:microbiology / Q000635:transmission*; D006801:Humans; D008297:Male; D012529:Saudi Arabia; D014195:Travel