1. 2. General epidemic situation of SARS in China (May 29, 2003). National Health Commission of the Peopleʼs Republic of China website. http://www.nhc.gov.cn/wjw/zcjd/201304/2e198946322b4b9ab3972565ff3db8c6.shtml. Published 2003. Accessed February 20, 2020.
2. 5. Nosocomial infection outbreak in Wuhan mental health center, and about 80 healthcare workers and patients were infected with novel coronavirus pneumonia. Peoples Daily website. http://society.people.com.cn/n1/2020/0209/c1008-31577664.html. Published February 8, 2020. Accessed February 20, 2020.
3. The epidemiological characteristics of an outbreak of 2019 novel coronavirus diseases (COVID-19) in China;Chin J Epidemiol,2020
4. 4. Diagnosis and treatment program of novel coronavirus pneumonia, 5th edition. National Health Commission of the Peopleʼs Republic of China website. http://www.nhc.gov.cn/yzygj/s7653p/202002/d4b895337e19445f8d728fcaf1e3e13a.shtml. Published 2020. Accessed February 20, 2020.
5. A familial cluster of pneumonia associated with the 2019 novel coronavirus indicating person-to-person transmission: a study of a family cluster