A study of poliovaccination in infancy: excretion following challenge with live virus by children given killed or living poliovaccine.
D006801:Humans; D007223:Infant; D011051:Poliomyelitis / Q000276:immunology*; D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral; D014611:Vaccination
D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral