title: Progress towards poliomyelitis eradication in Afghanistan and Pakistan, January 2002 to May 2003.
mesh_terms: D000346:Afghanistan / Q000453:epidemiology; D006801:Humans; D017589:Immunization Programs; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D010154:Pakistan / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*; D011159:Population Surveillance
chemical_list: D011055:Poliovirus Vaccine, Oral