title: Update on immunization registries.
authors.forename: P R
authors.initials: PR
authors.lastname: Horne
authors.forename: K N
authors.initials: KN
authors.lastname: Saarlas
authors.forename: A R
authors.initials: AR
authors.lastname: Hinman
mesh_terms: D002648:Child; D005102:Health Expenditures; D006801:Humans; D017589:Immunization Programs / Q000191:economics*; D012042:Registries; D014481:United States