1. 3. Shaanxi initiates level I emergency response to the public health emergencies [in Chinese]. Health Commission of Shaanxi Province. http://sxwjw.shaanxi.gov.cn/art/2020/1/25/art_9_67421.html Accessed January 26, 2020.
2. 1. Epidemic prevention and control/outbreak report of the novel coronavirus-induced pneumonia [in Chinese]. National Health Commission of the People’s Republic of China website. http://www.nhc.gov.cn. Accessed April 30, 2020.
3. 7. Public health guidance for community-level preparedness and response to severe acute respiratory syndrome (SARS) version 2. Centers for Disease Control and Prevention website. https://www.cdc.gov/sars/guidance/i-infection/healthcare.html. Accessed April 30, 2020.
4. 9. The measures for administration for pre-triage of infectious diseases in medical institutes [in Chinese]. National Health Commission of the People’s Republic of China. http://www.nhc.gov.cn/yzygj/s3573/200804/8538589dd6e9475dab3f77fa0f69edf0.shtml. Accessed April 30, 2020.
5. An update on the epidemiological characteristics of novel coronavirus pneumonia;Chinese J Viral Dis,2020