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. 2023 Jul 7;10:1207189. doi: 10.3389/fvets.2023.1207189

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Copyright © 2023 Chang, Zheng, Qiu, Chen, Li, Wu, Lin, Zhao, Zhou, Gong, Sun, Zhang and Wang.

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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Phylogenetic and recombination analysis of BL2019. (A) Phylogenetic trees constructed based on the ORF5 gene of the BL2019 strain with 30 reference PRRSV strains. (B) Phylogenetic trees constructed based on the complete gene of the BL2019 strain with 30 reference PRRSV strains. Phylogenetic trees were constructed using the distance-based neighbor-joining method with 1,000 bootstrap replicates in MEGA11.