The authors have withdrawn this manuscript because it will need to be fully actualized to properly acknowledge the contribution of several genomic data contributors, including the unique contribution of the COG-UK consortium. Therefore, the authors do not wish this work to be cited as reference for the project. If you have any questions, please contact the corresponding authors.

中文翻译：

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对SARS-CoV-2 B.1.1.7谱系的系统进化分析表明，单一起源，随后是多个出口事件与趋同进化

作者之所以撤回了该手稿，是因为需要充分实现它才能正确地承认几个基因组数据贡献者的贡献，包括COG-UK联盟的独特贡献。因此，作者不希望这项工作被引用为该项目的参考。如有任何疑问，请联系相应的作者。