Funding for this research was provided by:
National Key R&D Program of China (2019YFA0906000)
Natural Science Foundation of Guangdong Province (2020A1515110032, 2017B030301015, 2020A1515010235)
National Natural Science Foundation of China (81772737, 31670757)
Shenzhen Municipal Government of China (JCYJ20170413161749433)
Sanming Project of Medicine in Shenzhen (SZSM202011017)
Shenzhen Key Medical Discipline Construction Fund (SZXK020)
Shenzhen Basic Research Program (JCYJ20200109120016553)
Received: 19 October 2020
Accepted: 5 February 2021
First Online: 16 February 2021
Ethics approval and consent to participate
: Pharyngeal swab samples were collected from residual samples that had been obtained for clinical respiratory virus detection. All procedures complied with the Measures for the Ethical Review of Biomedical Research Involving Human Subjects issued by the National Health and Family Planning Commission of the People’s Republic of China. All protocols were approved by the Ethics Committees of Shenzhen Second People’s Hospital (#202003009005). All procedures were performed in biosafety level two facilities.
: Not applicable.
: The authors declare that they have no competing interests.