Li, Yang
He, Xiao-zhou
Li, Ming-hui
Li, Bo
Yang, Meng-jie
Xie, Yao
Zhang, Yi
Ma, Xue-jun
Funding for this research was provided by:
China Mega-Projects for Infectious Disease (2018ZX10711001, 2017ZX10104001, 2018ZX10713-002)
Article History
Received: 18 October 2019
Accepted: 12 February 2020
First Online: 19 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All aspects of the study were performed in accordance with national ethics regulations and approved by the Institutional Review Boards of National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention.