Funding for this research was provided by:
Health and Medical Research Fund (INF-CUHK-1)
National Natural Science Foundation of China (31871340)
Received: 8 September 2020
Accepted: 12 February 2021
First Online: 9 March 2021
Ethics approval and consent to participate
: The number of COVID-19 cases and sequencing data are collected via public domains, and thus, neither ethical approval nor individual consent is applicable.
: Not applicable.
: MHW is a shareholder of Beth Bioinformatics Co., Ltd. BCYZ is a shareholder of Beth Bioinformatics Co., Ltd. and Health View Bioanalytics, Ltd. The other authors declare no competing interests.