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. 2015 Feb 14;15:61. doi: 10.1186/s12879-015-0787-1

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© Imöhl et al.; licensee BioMed Central. 2015

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 use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Isolates from meningitis cases from 2000/01 to 2012/13 (n = 2,508) according to age groups and PCV7 vaccine-type (red), PCV13-non-PCV7 vaccine-type (blue) or non-PCV13 vaccine-type (green). The number of all meningitis cases is shown in black. The Y-axes of the figure are adjusted to the number of meningitis cases in each age group.