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. 2022 Nov 14;12:19451. doi: 10.1038/s41598-022-23279-6

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Number of meningitis epidemic weeks detected according to different cut-offs that were applied at the level of health centres (50, 75 or 100 weekly cases per 100,000) or at the level of the district (10 cases per 100,000). 14 health districts in Burkina Faso, 2005–2014. For the periods January–June 2004 and January 2013–December 2014, data from only nine districts were available; these periods therefore were not included in the graph.