title: Immunity to poliovirus in a junior high school population in Palermo.
mesh_terms: D000293:Adolescent; D000914:Antibodies, Viral / Q000032:analysis; D002648:Child; D005260:Female; D006801:Humans; D007117:Immunization, Secondary; D008297:Male; D011051:Poliomyelitis / Q000276:immunology*; D017955:Poliovirus; D012572:School Health Services; D012802:Sicily
chemical_list: D000914:Antibodies, Viral