A survey to determine the immunity status and antibody creating effect of oral polio vaccine.
D000914:Antibodies, Viral / Q000032:analysis*; D000917:Antibody Formation; D006801:Humans; D007223:Infant; D011051:Poliomyelitis / Q000276:immunology*; D011055:Poliovirus Vaccine, Oral / Q000276:immunology*; D013188:Sri Lanka
D000914:Antibodies, Viral; D011055:Poliovirus Vaccine, Oral