title: Booster doses and combined vaccines.
authors.affiliation: Robert Koch-Institut, Berlin, Germany.
authors.forename: S
authors.initials: S
authors.lastname: Dittmann
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D017408:Guidelines as Topic; D006801:Humans; D007115:Immunization Schedule; D007117:Immunization, Secondary; D007223:Infant; D007231:Infant, Newborn; D017778:Vaccines, Combined / Q000008:administration & dosage*; D014944:World Health Organization
chemical_list: D017778:Vaccines, Combined