title: Food and Drug Administration approval of an acellular pertussis vaccine for the initial four doses of the diphtheria, tetanus, and pertussis vaccination series.
mesh_terms: D002648:Child; D002675:Child, Preschool; D015721:Diphtheria-Tetanus-Pertussis Vaccine / Q000008:administration & dosage / Q000276:immunology; D017277:Drug Approval; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D010567:Pertussis Vaccine / Q000008:administration & dosage / Q000276:immunology; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D015721:Diphtheria-Tetanus-Pertussis Vaccine; D010567:Pertussis Vaccine