title: Expanded programme on immunization. Rapid assessment of serological response to oral polio vaccine.
mesh_terms: D000917:Antibody Formation; D006801:Humans; D007114:Immunization / Q000592:standards; D007223:Infant; D009313:National Health Programs; D010154:Pakistan; D011055:Poliovirus Vaccine, Oral / Q000276:immunology / Q000592:standards*; D014037:Togo; D014454:Uganda
chemical_list: D011055:Poliovirus Vaccine, Oral