During this period, great progress has been made in the prevention and control of domestic epidemic situation, and the new coronavirus neutralizing antibody in China has entered the clinical trial stage, which is the first clinical trial of new coronavirus neutralizing antibody in healthy subjects in the world. Moreover, the epidemic situation has achieved "zero growth" for several consecutive days, and "zero clearing" has been achieved in many areas. According to a report released by Wuhan health and Health Commission on June 8, the virus culture results of 300 asymptomatic infected persons found by centralized nucleic acid detection from May 14 to June 1 in Wuhan were all negative.