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. 2022 Apr 4;13:693196. doi: 10.3389/fmicb.2022.693196

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Copyright © 2022 Fan, Chen, Zhang, Deng, Wei, Zhao, Lv, Lin, Zhang, Wei, Huang, Wei and Mo.

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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The maximum clade credibility tree of LX4-type full-length genome sequences of infectious bronchitis virus (IBV) isolates in China (A) and the world (B). The color of the branches corresponds to geographical areas.