title: Immunization against diphtheria in Japan.
mesh_terms: D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004165:Diphtheria / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D004166:Diphtheria Antitoxin / Q000032:analysis; D004168:Diphtheria Toxoid / Q000008:administration & dosage / Q000276:immunology; D005260:Female; D006801:Humans; D007115:Immunization Schedule; D007117:Immunization, Secondary; D007223:Infant; D007564:Japan; D008297:Male; D012621:Seasons; D014611:Vaccination
chemical_list: D004166:Diphtheria Antitoxin; D004168:Diphtheria Toxoid