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. 2024 Nov 18;24:3194. doi: 10.1186/s12889-024-20527-4

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© The Author(s) 2024

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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Fig. 4 — Ever positive and unique individuals by age and sex. (A) Percent of individuals who tested positive at least once during the study period. Each dot represents percent ever positive for each age year, by sex—light purple (female) and blue (male). Average ever positive over life course represented by median spline lines for each sex. (B) Bars represent total number of unique individuals that were tested by sex for each age year, light purple (female) and blue (male)