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. 2016 Nov 10;16:664. doi: 10.1186/s12879-016-1993-1

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© The Author(s). 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. 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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Fig. 1 — Reported annual TB case notification rate per 100,000 health care worker (HCW) years. Left panel includes all health facilities providing information on the number of TB cases and the number of HCW in any given year (2009-2013); right panel includes only the health facilities reporting this information for all five years. Error bars depict 95 % confidence intervals