Funding for this research was provided by:
National Natural Science Foundation of China (31671363, 31801096)
National Science and Technology Major Project of Infectious Diseases (2018ZX10101-003-001-008)
Research Project from State Key Laboratory of Pathogen and Biosecurity (SKLPBS1813)
Text and Data Mining valid from 2020-03-04
Received: 30 September 2019
Accepted: 21 January 2020
First Online: 4 March 2020
Ethics approval and consent to participate
: Not applicable.
: All participants have read and approved for the manuscript.
: The authors declare that they have no competing interests.