title: Poliomyelitis vaccine: killed or live?
mesh_terms: D006801:Humans; D011051:Poliomyelitis / Q000517:prevention & control; D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral
chemical_list: D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral