title: Commentary: missed opportunities and lessons learned.
authors.affiliation: San Antonio Metropolitan Health Department, USA.
authors.forename: Fernando A
authors.initials: FA
authors.lastname: Guerra
mesh_terms: D002648:Child; D002669:Child Welfare / Q000208:ethnology*; D004641:Emigration and Immigration; D006630:Hispanic or Latino; D006801:Humans; D007114:Immunization; D017589:Immunization Programs / Q000458:organization & administration*; D012042:Registries; D013781:Texas