Pulse polio campaign.
Paul
Y
Y
John
T J
TJ
D002648:Child; D006801:Humans; D007115:Immunization Schedule; D007194:India / Q000453:epidemiology; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*; D012041:Regional Medical Programs
D011055:Poliovirus Vaccine, Oral