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. 2021 Feb 17;7:569901. doi: 10.3389/fvets.2020.569901

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Copyright © 2021 Chang, Feng, Wang, Li, Su, Wang, Du and He.

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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Classification of the virus based on genotype criteria. A maximum likelihood tree of the complete F gene nucleotide sequence. The evolutionary analyses were conducted using the Kimura two-parameter method with 1,000 bootstrap replicates in MEGA7.0. Our isolate was marked with a black triangle.