1. National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Prevention and Control, Beijing, People’s Republic of China
2. Chaoyang District Center for Disease Prevention and Control, Beijing, People’s Republic of China
3. School of Public Health (Shenzhen), Sun Yat-sen University, Guangdong, People’s Republic of China
4. NHC Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China