Progress toward poliomyelitis eradication--South East Asia Region, 1997-1998. [electronic resource] - MMWR. Morbidity and mortality weekly report Mar 1999 - 230-2, 239 p. digital Publication Type: Journal Article ISSN: 0149-2195 Subjects--Topical Terms: AdolescentAsia, Southeastern--epidemiologyChildChild, PreschoolHumansImmunization ProgramsInfantInfant, NewbornPoliomyelitis--epidemiologyPoliovirus Vaccine, Oral--administration & dosage