1. 1. World Health Organization. Q&A on coronaviruses. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/question-and-answers-hub/q-a-detail/q-a-coronaviruses (accessed June 18, 2018).
2. 2. National Health Commission of the People's Republic of China. Diagnosis and treatment of pneumonia caused by the 2019 new coronavirus (2019-nCoV). http://www.nhc.gov.cn/wjw/xinx/xinxi.shtml (accessed June 18, 2018).
3. 3. New Coronavirus Pneumonia Clinical Research Index. Chinese Clinical Trial Registry. http://www.chictr.org.cn/index.aspx (accessed June 20, 2020).
4. 4. National Administration of Traditional Chinese Medicine. The State Council Office holds a press conference on the important role and efficacy of traditional Chinese medicines in preventing and treating COVID-19. http://www.scio.gov.cn/xwfbh/xwbfbh/wqfbh/42311/42768/index.htm (accessed June 20, 2020).
5. 5. National Administration of Traditional Chinese Medicine. Practitioners of traditional Chinese medicine select a batch of formulations, as exemplified by "three existing TCMs and 3 new formulations", to treat COVID-19. http://www.satcm.gov.cn/xinxifabu/meitibaodao/2020-03-23/14191.html (accessed June 20, 2020). (in Chinese)