1. Emergence of a novel coronavirus causing respiratory illness from Wuhan, China;Tang;Journal of Infection,2020
2. WHO: Coronavirus disease (COVID-19) outbreak. Available from: https://www.who.int/emergencies/diseases/novel-coronavirus-2019.
3. WHO: Coronavirus disease (COVID-2019) situation reports, https://www.who.int/emergencies/diseases/novel-coronavirus-2019/situation-reports/.
4. Report of the WHO-China Joint Mission on Coronavirus Disease 2019 (COVID-19), https://www.who.int/docs/default-source/coronaviruse/who-china-joint-mission-on-covid-19-final-report.pdf. 2020.
5. The Novel Coronavirus Pneumonia Emergency Response Epidemiology Team. Vital surveillances: the epidemiological characteristics of an outbreak of 2019 novel coronavirus diseases (COVID-19)—China, 2020, http://weekly.chinacdc.cn/en/article/id/e53946e2-c6c4-41e9-9a9b-fea8db1a8f51, in China CDC Weekly.