1. School of Public Health, Sun Yat-Sen University, Guangzhou 510080, China
2. Department of Microbiology Laboratory, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
3. Kobilka Institute of Innovative Drug Discovery, School of Medicine, Chinese University of Hong Kong, Shenzhen 518172, China
4. NMPA Key Laboratory for Quality Monitoring and Evaluation of Vaccines and Biological Products, Guangzhou 510080, China