title: Improving access to vaccines through tiered pricing.
authors.affiliation: GAVI Alliance, Geneva, Switzerland. Electronic address: sberkley@gavialliance.org.
authors.forename: Seth
authors.initials: S
authors.lastname: Berkley
mesh_terms: D003365:Costs and Cost Analysis; D003906:Developing Countries; D016527:Drug Costs; D004345:Drug Industry / Q000191:economics; D006297:Health Services Accessibility / Q000191:economics / Q000592:standards; D006801:Humans; D014612:Vaccines / Q000191:economics / Q000600:supply & distribution*
chemical_list: D014612:Vaccines