title: State prepares for K-12 immunization effort.
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007114:Immunization; D007883:Legislation, Medical; D010414:Pennsylvania; D011635:Public Health Administration / Q000331:legislation & jurisprudence; D012572:School Health Services / Q000331:legislation & jurisprudence