title: Introduction to inactivated polio vaccine and switch from trivalent to bivalent oral poliovirus vaccine worldwide, 2013-2016.
mesh_terms: D004196:Disease Outbreaks / Q000517:prevention & control*; D057915:Drug Substitution; D014943:Global Health; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control* / Q000821:virology; D017955:Poliovirus / Q000145:classification / Q000302:isolation & purification; D011054:Poliovirus Vaccine, Inactivated / Q000008:administration & dosage* / Q000600:supply & distribution
chemical_list: D011054:Poliovirus Vaccine, Inactivated