1. WHO. Coronavirus disease 2019 (covid-19) situation. report-47. March 7, 2020. https://www.who.int/docs/default-source/coronaviruse/ situation-reports/20200307-sitrep-47-covid-19.pdf?sfvrsn=27c364a4_2 (accessed March 8, 2020)
2. The National Health Commission of the People’s Republic of China. Report on 2019-nCoV. March 8, 2020. http://en.nhc.gov.cn/ DailyBriefing.html (accessed March 8, 2020)
3. WHO. Report of the WHO-China Joint Mission on Coronavirus Disease 2019 (COVID-19). 2020. https://www.who.int/docs/ default-source/coronaviruse/who-china-joint-mission-on-covid-19-final-report.pdf (accessed March 7, 2020)
4. The Health Commission of Wuhan. 41 COVID-19 patients were confirmed in Wuhan. January 11, 2020. http://www.hubei.gov.cn/zxjy/rdhy/202001/t20200112_1910867.shtml (in Chinese) (accessed March 7, 2020)
5. Hubei Provincial Government. Notice on Wuhan novel coronavirus infection of pneumonia epidemic prevention and control. January 23, 2020. http://www.gov.cn/xinwen/2020-01/23/content_5471751. htm (in Chinese) (accessed March 7, 2020)