title: The role of immunization in the control of diphtheria.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004165:Diphtheria / Q000453:epidemiology / Q000517:prevention & control*; D004166:Diphtheria Antitoxin / Q000032:analysis; D004168:Diphtheria Toxoid / Q000627:therapeutic use; D004739:England; D006801:Humans; D007114:Immunization; D007115:Immunization Schedule; D007223:Infant; D014852:Wales
chemical_list: D004166:Diphtheria Antitoxin; D004168:Diphtheria Toxoid