Institution: | 1. Institute of Disease Control and Prevention, Academy of Military Medical Sciences, , Beijing, 100071 China;2. Affiliated Hospital of Academy of Military Medical Science, , Beijing, 100071 China;3. College of Public Health, Jilin University, , Changchun, 130012 China;4. Beijing Institute of Biotechnology, State Key Laboratory of Pathogen and Biosecurity, , Beijing, 100071 China |