1. Shandong Provincial Key Laboratory of Infectious Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan, China
2. Medical Affairs Department, Sinovac Biotech Co., Ltd, Beijing, China
3. Department Of Immunology, FeiCheng Center for Disease Control and Prevention, Taian, China
4. Medical Affairs Department, Sinovac Life Science Co, Ltd, Beijing, China
5. Research and Development Department, Sinovac (Dalian) Vaccine Technology Co., Ltd, Dalian, China
6. School of Public Health, Shandong University, Jinan, China