Funding for this research was provided by:
Key Technologies Research and Development Program (2021YFF0703800, 2021YFC0863000)
Key Technologies R&D Program of the National Ministry of Science (2018ZX10101002-004-006)
Taishan Scholar Program for Young Experts (tsqn202103187)
Natural Science Foundation of Beijing Municipality (L192014)
Received: 23 December 2021
Accepted: 25 April 2022
First Online: 15 May 2022
: Animal and Human Rights Statement This study did not involve human experimentation. Biosafety evaluations were approved by the National Institute for Viral Disease Control and Prevention, China CDC. All experimental operations were handled following the Standard Operational Protocol approved by China CDC.
: Written informed consent for specimen collection, testing and publication were obtained from all individuals (or their parents) in the study population.
: The authors declare that they have no competing interests.