[When is it necessary to renew Salk's polio vaccination?].
D006801:Humans; D007115:Immunization Schedule; D007267:Injections; D011051:Poliomyelitis / Q000517:prevention & control; D011054:Poliovirus Vaccine, Inactivated / Q000008:administration & dosage*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage; D013997:Time Factors; D014195:Travel
D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral
Wann muss man die Polio-Schutzimpfung (nach Salk) auffrischen?