China News Client April 11 (Du Yan Lang Lang) On the 11th, Beijing held an epidemic prevention and control press conference. Li Sufang, deputy director of the Beijing Development and Reform Commission, said that in order to effectively implement the epidemic prevention and control measures, Beijing The responsibilities and epidemic prevention requirements of office units, owner units and property units in the building are clarified, and requirements such as "the office spacing of staff on duty shall be no less than 1 meter and the area used by each person shall be no less than 2.5 square meters".