Funding for this research was provided by:
the Key Program of the National Natural Science Foundation of China (82130093)
Article History
Received: 14 June 2021
Accepted: 27 September 2021
First Online: 15 October 2021
Declarations
:
: Not applicable.
: Not applicable.
: H.Y. has received research funding from Sanofi Pasteur, GlaxoSmithKline, Yichang HEC Changjiang Pharmaceutical Company, and Shanghai Roche Pharmaceutical Company. None of this research funding is related to COVID-19. H.Y. is an editorial board member of the journal <i>Infectious Diseases of Poverty</i>. He was not involved in the peer-review or handling of the manuscript. The other authors report no competing interests.