Text and Data Mining valid from 2019-01-03
Received: 21 September 2017
Accepted: 27 November 2018
First Online: 3 January 2019
Ethics approval and consent to participate
: No formal ethics approval was required in the study and informed written consent was waived by the Ethics Committee of Henan Provincial Center for Disease Control and Prevention, because the study is only about five clinical isolates of in-depth study, which does not involve in the human body, human specimens, or personal information.
: Not applicable.
: The authors declare that they have no competing interests.
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