title: Acellular pertussis vaccines available soon for fourth, fifth doses of DTP immunization.
authors.forename: C
authors.initials: C
authors.lastname: Marwick
mesh_terms: D002675:Child, Preschool; D015721:Diphtheria-Tetanus-Pertussis Vaccine; D006801:Humans; D007115:Immunization Schedule; D010567:Pertussis Vaccine
chemical_list: D015721:Diphtheria-Tetanus-Pertussis Vaccine; D010567:Pertussis Vaccine