title: Two good reasons to drop type 2 virus from oral polio vaccine.
authors.forename: T Jacob
authors.initials: TJ
authors.lastname: John
mesh_terms: D006801:Humans; D032521:Immunity, Herd; D011051:Poliomyelitis / Q000276:immunology* / Q000517:prevention & control; D017955:Poliovirus / Q000145:classification*; D011055:Poliovirus Vaccine, Oral / Q000009:adverse effects* / Q000276:immunology
chemical_list: D011055:Poliovirus Vaccine, Oral