Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC1303402)
National Megaproject on Key Infectious Diseases (2017ZX10202102, 2017ZX10304402-002-007)
General Program of Shanghai Municipal Health Commission (201740194)
Received: 27 July 2020
Accepted: 30 September 2020
First Online: 30 October 2020
Ethics approval and consent to participate
: All experimental procedures followed the protocol approved by the institutional ethics committee, and the involved healthy donors provided written informed consent. All animal experiments were performed in accordance with the ethics approval obtained from the Shanghai Public Health Clinical Center Animal Ethics Committee.
: Not applicable.
: The authors declare that they have no competing interests.