[Current status of antipoliomyelitis vaccination].
D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral
Stadiul actual al vaccinării antipoliomielitice.