Diphtheria immunisation for travellers to the former USSR--update.
D000328:Adult; D002648:Child; D004165:Diphtheria / Q000453:epidemiology / Q000517:prevention & control*; D004168:Diphtheria Toxoid / Q000008:administration & dosage*; D006801:Humans; D014195:Travel; D014586:USSR / Q000453:epidemiology
D004168:Diphtheria Toxoid