1. Chongqing Municipal Center for Disease Control and Prevention Chongqing China
2. School of Public Health Chongqing Medical University Chongqing China
3. Chongqing Municipal Key Laboratory for High Pathogenic Microbes Chongqing China
4. Southwest Medical University Sichuan China
5. Department of Biostatistics and Systems Biology, School of Public Health (Shenzhen) Sun Yat‐sen University Shenzhen Guangdong China