State-of-the-art evidence of traditional Chinese medicine for treating coronavirus disease 2019

Traditional Chinese medicine has widely been used internationally in the treatment of coronavirus disease 2019 (COVID-19) since January 2020. There has been great interest in initiating clinical studies testing different Chinese medicine therapies for COVID-19, but the majority of registered studies have yet to move forward due to a lack of COVID-19 patients in mainland China. The aim of this article was to systematically review the current clinical research evidence on Chinese medicine for treating COVID-19 from international and domestic bibliographic databases to reflect on the advances in this field.