Traditional Chinese medicine is a resource for drug discovery against 2019 novel coronavirus(SARS-CoV-2)

Novel coronavirus pneumonia,named as COVID-19 by the World Health Organization,has spread widely since December 2019[1–3],with more than 40,000 confirmed cases in China and exportations to over 20 countries[4].On January 30,2020,the World Health Organization declared the epidemic to be a public health emergency of international concern in the second meeting of the Emergency Committee[5].It was recommended that potential vaccines and antiviral medicines should be developed.However,the development of these therapeutics will take months,even years.For this specific indication,rapid performance of traditional Chinese medicine(TCM)can contribute as an alternative measure.