title: Don't drop current vaccine until we have new ones.
authors.forename: Vadim I
authors.initials: VI
authors.lastname: Agol
authors.forename: Konstantin
authors.initials: K
authors.lastname: Chumakov
authors.forename: Ellie
authors.initials: E
authors.lastname: Ehrenfeld
authors.forename: Eckard
authors.initials: E
authors.lastname: Wimmer
mesh_terms: D002986:Clinical Trials as Topic; D014943:Global Health; D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control*; D023321:Poliovirus Vaccines / Q000009:adverse effects / Q000191:economics / Q000600:supply & distribution*; D014611:Vaccination / Q000009:adverse effects / Q000191:economics / Q000639:trends; D014944:World Health Organization
chemical_list: D023321:Poliovirus Vaccines