Xu, Shuai
Qiu, Xiaotong
Hou, Xuexin
Zhou, Haijian
Chen, Dongke
Wang, Xuebing
Han, Lichao
Li, Dan
Sun, Lina
Ji, Xingzhao
Li, Minghui
Zhang, Jingshan
Li, Mengtong
Li, Zhenjun
Funding for this research was provided by:
National Key R&D Program of China (2019YFC1200705, 2017YFC1200303)
China Special Grant for the Prevention and Control of Infectious Diseases (2017ZX10303401)
Article History
Received: 8 July 2020
Accepted: 19 November 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: Written informed consent was obtained from all patients included in the study. The study was conducted in accordance with the Declaration of Helsinki, and the protocol was approved by the Ethics Committee of the National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, and was in accordance with the medical research regulations of the Ministry of Health, China [Approval No.ICDC-2018005].
: Not applicable.
: The authors declare that there are no competing financial interests in relation to this manuscript.