Professor Zhi Zhenfeng, a research fellow at CASS Institute of Law, made a micro-video on common legal knowledge about the prevention of and control of coronavirus epidemic at the invitation of Xinhua News Agency  on February 20, 2020. In the micro-video, entitled “What Are Class B Management and Class A Prevention and Control of Epidemic Diseases?” Professor Zhi explains the relevant legal issues to the public and answer their questions, so as to help them to use the law as tool to fight against the epidemic.  The video has been published on the website of Xinhua News Agency on February 20, 2020. The following is a link to the videos: http://iolaw.cssn.cn/rdsp/202002/t20200222_5091834.shtml.