Funding for this research was provided by:
the Key Technologies R&D Program of the National Ministry of Science, China (2018ZX10305-410-003-002)
Received: 26 August 2022
Accepted: 1 November 2022
First Online: 9 November 2022
: The project was approved by the Ethical Committee of National Institute for Viral Disease Control and Prevention, China CDC, and the committee’s reference number is 021, IVDC2017.
: Written informed consent for specimen collection, testing and publication was obtained from the individuals or their parents.
: The authors declare that they have no competing interests.