. 2017 Jun 30;216(Suppl 1):S33–S39. doi: 10.1093/infdis/jiw550
© The Author 2017. Published by Oxford University Press for the Infectious Diseases Society of America.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Rate of introduction of new vaccines in all countries, 1990–2013.