Wang, Hai-Tao https://orcid.org/0000-0002-6615-5457
Zhang, Hong
Xue, Fu-Zhong
Zhao, Lin
Cao, Wu-Chun
Funding for this research was provided by:
National Natural Science Foundation of China (81621005)
Open Project Program of the State Key Laboratory of Pathogen and Biosecurity (SKLPB2133)
National Key Research and Development Program of China (2019YFC1200505)
Article History
Received: 23 September 2021
Accepted: 27 November 2021
First Online: 4 January 2022
Declarations
:
: All procedures involving human participants were performed in accordance with the ethical standards of the Ethics Committee of Public Health, Shandong University (20190401). Because the health information was primarily a weekly count of pneumonia hospitalizations without any personal identification, informed consent was waived in this study.
: Not applicable.
: The authors declare no competing interests.