1 CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Center for Influenza Research and Early Warning (CASCIRE), CAS-TWAS Center of Excellence for Emerging Infectious Diseases (CEEID), Chinese Academy of Sciences, Beijing 100101, China.
2 Laboratory of Infectious Diseases Center, Emergency Department of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China.
3 National Institute of Metrology, Beijing 102200, China.
4 The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China.
5 University of Chinese Academy of Sciences, Beijing 101408, China.