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Increasing COVID-19 Vaccination in Kenya

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While initial supply shortages delayed access to the COVID-19 vaccine for many low and middle income countries, most now have an abundance of doses. Yet only a quarter of African citizens have completed their COVID-19 vaccination primary series. Exploring effective modes of vaccine delivery is necessary to increase uptake. In collaboration with the Kenyan government, we conducted a field experiment to examine whether ease of access and requests from authority figures influence COVID-19 vaccination rates. By comparing rates between facility and community-based vaccination activities, we are able to calculate the cost-effectiveness of these policies, offering insights that are useful now and for future pandemics.


Leah Rosenzweig is Director and Lead Researcher at the Development Innovation Lab (DIL) at the University of Chicago. Her research focuses on the micro-foundations of political and social behavior to gain leverage on macro policy-relevant questions. Her current work in the political economy of development explores the existence and consequences of social norms of voting in semi-authoritarian states, government accountability in low- and middle-income countries, and inter-group relations. She also works on designing and evaluating optimal policies to combat the spread of online misinformation and increase vaccination, as well as applied research methods. Prior to joining DIL, Leah held positions at Stanford University, the Institute for Advanced Study in Toulouse, and was a consultant for the Nigerian government. Leah received her PhD in Political Science from MIT.