1 Key Laboratory of Infectious and Parasitic Diseases, Infectious Disease Department, Infection Control Department, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
2 Infection Control Department, Yongchuan Affiliated Hospital of Chongqing Medical University, Chongqing, China.
3 Key Laboratory of Infectious and Parasitic Diseases, Infectious Disease Department, Infection Control Department, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China. Electronic address: jiabei@hospital.cqmu.edu.cn.