The Effects of the CIA's Vaccine Ruse on Immunization in Pakistan
In Vaccines We Trust? The Effects of the CIA's Vaccine Ruse on Immunization in Pakistan Monica Martinez-Bravo & Andreas Stegmann (This paper also appears as CAGE Discussion paper 544) February 2021 No: 1332 Warwick Economics Research Papers ISSN 2059-4283 (online) ISSN 0083-7350 (print) In Vaccines We Trust? The Effects of the CIA's Vaccine Ruse on Immunization in Pakistan∗ Monica Martinez-Bravo Andreas Stegmann CEMFI University of Warwick BREAD, CEPR February 19, 2021 Abstract In July 2011, the Pakistani public learnt that the CIA had used a vaccination campaign as cover to capture Osama Bin Laden. The Taliban leveraged on this infor- mation and launched an anti-vaccine propaganda campaign to discredit vaccines and vaccination workers. We evaluate the effects of these events on immunization by imple- menting a Difference-in-Differences strategy across cohorts and districts. We find that vaccination rates declined 12 to 20% per standard deviation in support for Islamist parties. These results suggest that information discrediting vaccination campaigns can negatively affect trust in health services and demand for immunization. ∗We would like to thank Manuel Arellano, Diego Puga, Esther Duflo, Daron Acemoglu, Abhijit Banerjee, Benjamin Olken, Ernesto Dal B´o,Nathan Nunn, Noam Yutchman, Davide Cantoni, Patricia Funk, Helios Herrera, Asim Khwaja, Jishnu Das, Jacob Shapiro, Eli Berman, Brian Knight, Jesse Shapiro, Leonardo Bursztyn, Hunt Allcott, Nancy Qian, Guillermo Caruana, Paula Bustos, Pamela Campa, Elena Esposito, Joachim Voth, Michael Callen, Marcela Alsan, Konrad Burchardi, and Lorenzo Casaburi for valuable suggestions. We also thank seminar participants at NEUDC, CEMFI, Oxford University, Warwick University, University of Zurich, University of Munich, MIT, Harvard, Columbia, Universitat Autonoma de Barcelona, IEB, Societat Catalana d'Economia, Barcelona GSE Summer Forum, Stockholm University, IIES.
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