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. 2020 Mar 10;11:323. doi: 10.3389/fmicb.2020.00323

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Copyright © 2020 Ren, Wang, Zhou, Ge, Guo, Han and Yang.

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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Envelope protein coding variation in PRV variant strain HB1201 versus the vaccine strain Bartha-K61. (A) Total number of amino acid differences between HB1201 and Bartha-K61. (B) The percentage of amino acid variation in HB1201.