title: Progress towards poliomyelitis eradication in Afghanistan and Pakistan, January 2006 to February 2007.
mesh_terms: D000346:Afghanistan / Q000453:epidemiology; D002675:Child, Preschool; D006801:Humans; D017589:Immunization Programs; D015994:Incidence; D007223:Infant; D010154:Pakistan / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000627:therapeutic use
chemical_list: D011055:Poliovirus Vaccine, Oral