[SHOULD ATTENUATED POLIOMYELITIS VIRUS VACCINE BE ADMINISTERED TO SUBJECTS PREVIOUSLY VACCINATED BY KILLED VIRUS?].
D002648:Child; D006801:Humans; D011051:Poliomyelitis; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
CHILD; POLIOVIRUS VACCINE; POLIOVIRUS VACCINE, ORAL; VACCINATION
LE VACCIN ANTIPOLIOMY'ELITIQUE PAR VIRUS ATT'ENU'E, DOIT-IL  ETRE ADMINISTR'E AUX SUJETS D'EJ'A VACCIN'ES PAR VIRUS TU'E?