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. 2021 Jan 29;12:593202. doi: 10.3389/fmicb.2021.593202

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Copyright © 2021 Wang, Su, Luo, Li, Wu, Chang, Du, Huang, Ma, Han, Yuan, He, Guo, Zhang 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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MCC trees of HA and HA genes of SH1 and JA1 viruses. The phylogenetic analyses were conducted using the listed gene sequences, which were obtained from the GISAID and NCBI GenBank database. Panels (A,B) represent the MCC trees of HA and NA genes, respectively. SH1 is marked in green and JA1 is marked in red. The trees were built by BEAST software (V1.8.4) and illustrated by Fig Tree (v1.4.3). Time-scaled phylogenies (date-based axis shown at the bottom of the figure) were inferred using uncorrelated relaxed clock Bayesian Markov chain Monte Carlo (MCMC) analysis. HA, hemagglutinin and NA, neuraminidase.