1 National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Disease, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China;Wuqing District Centre for Disease Control and Prevention, Tianjin 301700, China.
2 Baoshan Disease Control and Prevention, Baoshan 678000, Yunnan, China.
3 National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Disease, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
4 Wuqing District Centre for Disease Control and Prevention, Tianjin 301700, China.