Poliomyelitis immunization.
D006801:Humans; D011051:Poliomyelitis / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral; D014611:Vaccination
D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral