1. Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, Shanxi 030001, PR China
2. Shanghai Institute for Emerging and Re-emerging infectious diseases, Shanghai Public Health Clinical Center, Shanghai, 201508, PR China
3. State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, PR China
4. School of Biology and Food Sciences, Shangqiu Normal University, Henan province, 475000, PR China
5. Shaanxi Institute of Zoology, Xi'an, Shaanxi Province, 710032, PR China
6. Ningbo International Travel Healthcare Center, Ningbo Customs District People’s Republic of China, Ningbo, 315012, PR China