1. A novel coronavirus from patients with pneumonia in China, 2019;Zhu;N Engl J Med,2020
2. Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China;Huang;Lancet North Am Ed,2020
3. Interpretation of pneumonia diagnosis and treatment scheme for novel coronavirus infection (trial version 6) [EB/OL].(2020). Available at:http://www.nhc.gov.cn/xcs/zhengcwj/202002/8334a8326dd94d329df351d7da8aefc2.shtml. Accessed February 2, 2020
4. WHO Novel Coronavirus(2019-nCoV) Situation Report –39[EB/OL]. (2020). Available at:https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200228-sitrep-39-covid-19.pdf?sfvrsn=aa1b80a7_2. Accessed February 29, 2020
5. Office of Health Emergency, National Health Commission. Update on pneumonia of new coronavirus infection as of 24:00 on February 28[EB/OL]. (2020). Available at:http://www.nhc.gov.cn/xcs/yqfkdt/202002/4ef8b5221b4d4740bda3145ac37e68ed.shtml. Accessed February 29, 2020