[1] Fudan University,Department of Epidemiology, School of Public Health, and Key Laboratory of Public Health Safety of Ministry of Education
[2] Yi-Wu Research Institute,Shanghai Institute of Infectious Diseases and Biosecurity
[3] Fudan University,Department of Biostatistics, School of Public Health
[4] Fudan University,undefined
[5] Taizhou City Center for Disease Control and Prevention,undefined
[6] Fudan University,undefined