title: Diphtheria in immunized populations.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004165:Diphtheria / Q000276:immunology*; D004166:Diphtheria Antitoxin / Q000032:analysis; D004168:Diphtheria Toxoid / Q000008:administration & dosage; D022422:Diphtheria-Tetanus Vaccine; D004338:Drug Combinations / Q000008:administration & dosage; D006801:Humans; D007114:Immunization; D007223:Infant; D013745:Tetanus Toxoid / Q000008:administration & dosage
chemical_list: D004166:Diphtheria Antitoxin; D004168:Diphtheria Toxoid; D022422:Diphtheria-Tetanus Vaccine; D004338:Drug Combinations; D013745:Tetanus Toxoid