title: Immunizations: Building on success in the 21st century.
authors.forename: Scott C
authors.initials: SC
authors.lastname: Ratzan
mesh_terms: D006266:Health Education; D006801:Humans; D011051:Poliomyelitis / Q000517:prevention & control*; D023321:Poliovirus Vaccines; D014611:Vaccination / Q000639:trends*
chemical_list: D023321:Poliovirus Vaccines