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Self-enforcing regional vaccination agreements

Author(s): Klepac, Petra; Megiddo, Itamar; Grenfell, Bryan T.; Laxminarayan, Ramanan

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dc.contributor.authorKlepac, Petra-
dc.contributor.authorMegiddo, Itamar-
dc.contributor.authorGrenfell, Bryan T.-
dc.contributor.authorLaxminarayan, Ramanan-
dc.date.accessioned2019-04-19T18:35:29Z-
dc.date.available2019-04-19T18:35:29Z-
dc.date.issued2016-01en_US
dc.identifier.citationKlepac, Petra, Megiddo, Itamar, Grenfell, Bryan T, Laxminarayan, Ramanan. (2016). Self-enforcing regional vaccination agreements. Journal of The Royal Society Interface, 13 (114), 20150907 - 20150907. doi:10.1098/rsif.2015.0907en_US
dc.identifier.issn1742-5689-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1jd83-
dc.description.abstractIn a highly interconnected world, immunizing infections are a transboundary problem, and their control and elimination require international cooperation and coordination. In the absence of a global or regional body that can impose a universal vaccination strategy, each individual country sets its own strategy. Mobility of populations across borders can promote free-riding, because a country can benefit from the vaccination efforts of its neighbours, which can result in vaccination coverage lower than the global optimum. Here we explore whether voluntary coalitions that reward countries that join by cooperatively increasing vaccination coverage can solve this problem. We use dynamic epidemiological models embedded in a game-theoretic framework in order to identify conditions in which coalitions are self-enforcing and therefore stable, and thus successful at promoting a cooperative vaccination strategy. We find that countries can achieve significantly greater vaccination coverage at a lower cost by forming coalitions than when acting independently, provided a coalition has the tools to deter free-riding. Furthermore, when economically or epidemiologically asymmetric countries form coalitions, realized coverage is regionally more consistent than in the absence of coalitions.en_US
dc.format.extent20150907 - 20150907en_US
dc.language.isoenen_US
dc.relation.ispartofJournal of The Royal Society Interfaceen_US
dc.rightsFinal published version. This is an open access article.en_US
dc.titleSelf-enforcing regional vaccination agreementsen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1098/rsif.2015.0907-
dc.date.eissued2016-01-20en_US
dc.identifier.eissn1742-5662-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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