title: Poliomyelitis: do we need to immunize the newborn?
mesh_terms: D006801:Humans; D007114:Immunization; D007231:Infant, Newborn; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral
chemical_list: D011055:Poliovirus Vaccine, Oral