Immunization strategy.
D000293:Adolescent; D001500:BCG Vaccine; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007114:Immunization; D007194:India; D007223:Infant; D011055:Poliovirus Vaccine, Oral; D011247:Pregnancy
D001500:BCG Vaccine; D011055:Poliovirus Vaccine, Oral