Hebei Provincial Center for Disease Control and Prevention, Sinovac Biotech CO., Ltd., National Institutes for Food and Drug Control, Sinovac Biotech CO., Ltd., Zanhuang County Center for Disease Control and Prevention, Beijing Key Tech Statistics Technology Co., Ltd., Hebei Provincial Center for Disease Control and Prevention, Sinovac Biotech Ltd., Zanhuang County Center for Disease Control and Prevention, Sinovac Life Sciences Co., Ltd., Beijing Key Tech Statistics Technology Co., Ltd., Hebei Provincial Center for Disease Control and Prevention, Hebei Provincial Center for Disease Control and Prevention, Hebei Provincial Center for Disease Control and Prevention and Sinovac Biotech Ltd.

Chinese Center for Disease Control and Prevention (China CDC) - Jiangsu Provincial Center for Disease Control and Prevention, Government of the People's Republic of China - National Institutes for Food and Drug Control, Wuxi Centre for Disease Control and Prevention, Beijing Luzhu Biotechnology Co., Ltd., Chinese Center for Disease Control and Prevention (China CDC) - Jiangsu Provincial Center for Disease Control and Prevention, Nanjing Medical University, Wuxi Centre for Disease Control and Prevention, Beijing Luzhu Biotechnology Co., Ltd., Chinese Center for Disease Control and Prevention (China CDC) - Jiangsu Provincial Center for Disease Control and Prevention, Southeast University - School of Public Health, Government of the People's Republic of China - National Institutes for Food and Drug Control, Wuxi Centre for Disease Control and Prevention, Wuxi Centre for Disease Control and Prevention, Government of the People's Republic of China - National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control, Southeast University - School of Public Health, Southeast University - School of Public Health, Yunnan University, Yunnan University, Chinese Center for Disease Control and Prevention (China CDC) - Jiangsu Provincial Center for Disease Control and Prevention, Beijing Luzhu Biotechnology Co., Ltd., China Pharmaceutical University - State Key Laboratory of Natural Medicines, National Institutes for Food and Drug Control and Nanjing Medical University

Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Guangxi Center for Disease Control and Prevention, National Institutes for Food and Drug Control, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Liuzhou Center for Disease Control and Prevention, Liuzhou Center for Disease Control and Prevention, Liuzhou Center for Disease Control and Prevention, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Government of the People's Republic of China - National Institutes for Food and Drug Control, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology, Guangxi Center for Disease Control and Prevention, National Institutes for Food and Drug Control, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology and Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Institute of Medical Biology

affiliation not provided to SSRN, Government of the People's Republic of China - National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control, National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control and affiliation not provided to SSRN

Henan Provincial Center for Disease Control Prevention, Government of the People's Republic of China - National Institutes for Food and Drug Control, Sinovac Biotech CO., Ltd., Henan Provincial Center for Disease Control Prevention, Sinovac Biotech CO., Ltd., Henan Provincial Center for Disease Control Prevention, Sinovac (Dalian) Vaccine Technology Co., Ltd., Henan Provincial Center for Disease Control Prevention, National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control, Government of the People's Republic of China - National Institutes for Food and Drug Control and Government of the People's Republic of China - National Institutes for Food and Drug Control