Programs & Projects

Development of a Framework for Evaluating Vaccine Coverage as a Function of Vaccine Presentation


Overview

WDI helped the Bill and Melinda Gates Foundation develop a framework that could be used to estimate the expected change in vaccine coverage that could be obtained as a function of the vaccine presentation chosen. While there is widespread recognition that some vaccine presentations are better suited for specific contexts than other vaccine presentations, quantifying the marginal change in vaccine coverage can be difficult given the sparsity of data. By using a supply-demand framework and surrogate markers, WDI developed a relatively simple model to produce useful data for vaccine buyers (e.g., Gavi) and sellers (R&D, manufacturers).

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