Diphtheria immunisation for travellers to the former USSR.
D000293:Adolescent; D000328:Adult; D002648:Child; D004165:Diphtheria / Q000453:epidemiology / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D007114:Immunization; D007117:Immunization, Secondary / Q000592:standards*; D015994:Incidence; D014195:Travel; D014586:USSR / Q000453:epidemiology