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Accessible Metrics of Access: Novel Tools to Measure Immunization Coverage

Ross Boyce at the University of North Carolina in the U.S. will develop an approach that uses new methods of mapping households together with available health data to better identify places that have limited access to healthcare to improve immunization coverage. Many sub-Saharan African countries have very poor rates of childhood vaccination coverage. Improving coverage requires identifying those households and areas with poor access to healthcare, but this is challenging with the limited data available. To more accurately measure healthcare access and thereby immunization coverage, they will perform a six-month study in a rural sub-county of western Uganda. By providing user-friendly tools to health workers and providers, they will generate more accurate household maps and assess three different metrics of healthcare access using freely available software and a Bayesian statistical framework. They will evaluate the accuracy of their approach for predicting coverage by conducting a cross-sectional survey to determine the vaccination status of all children aged between 12 and 23 months in the sub-county.

More information about Innovations in Immunization Data Management, Use, and Improved Process Efficiency (Round 21)

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The Bill & Melinda Gates Foundation is part of the Grand Challenges partnership network. Visit www.grandchallenges.org to view the map of awarded grants across this network and grant opportunities from partners.