Wu, Keyi
Ma, Xiaowei
Liu, Huamin
Zheng, Jiazhen
Zhou, Rui
Yuan, Zelin
Huang, Zhiwei
Zhong, Qi
Huang, Yining
Zhang, Zhoubin
Wu, Xianbo
Article History
Received: 24 May 2022
Accepted: 9 December 2022
First Online: 20 December 2022
Declarations
:
: The ethics approval was waived by the ethics committee of Guangzhou CDC after consultation according to the law on the prevention and control of infectious diseases [CitationRef removed]. Because cases should truthfully provide relevant information in the prevention of infectious disease, and the analytical data sets were constructed anonymously.
: Not applicable.
: The authors declare that they have no competing interests.