Funding for this research was provided by:
Institute of Zoology, Chinese Academy of Sciences (E0517111)
Article History
Received: 6 May 2020
Accepted: 11 August 2021
First Online: 21 August 2021
Declarations
:
: All data related to COVID-19 patients in this this study is obtained from the official website of China’s National Health Commission, WHO and the other published database (See Additional files InternalRef removed and InternalRef removed). The information about patients was anonymous. All data of this study do not contain private or unpublished information of patients. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: Authors declare no competing interests.