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. 2016 May 16;12(9):2269–2277. doi: 10.1080/21645515.2016.1182275

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© 2016 The Author(s). Published with license by Taylor & Francis

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The moral rights of the named author(s) have been asserted.

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Figure 1. — Additional outcomes of quadrivalent influenza vaccine (QIV) versus trivalent influenza vaccine (TIV) at one-year time horizon Legend Perfect matching: 100% matching between B strain circulating and B strain included in TIV; Average season: mean B strain matching over the last 8/10 seasons; High mismatch season: data from 2007–2008 season, with high mismatch between B strain included in trivalent influenza vaccine and B strain circulating.