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. 2023 May 11;11:1156930. doi: 10.3389/fpubh.2023.1156930

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Copyright © 2023 Lin, Du, Shen, Guo, Wang, Lai, Zhang, Zheng, Wu, Lei and Liu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Geographic location of the clusters in maps (blue points represent cluster 1, green points represent cluster 2, red points represent cluster 3, orange points represent cluster 4, yellow points represent cluster 5, and gray points represent non-clustered patients with TB). (B) Distance between the homes and schools of two patients in clusters (A and B represent two patients in one cluster, respectively). (C) Interval times of symptom onset and diagnosis between two patients in clusters (A and B represent two patients in one cluster, respectively).