经常性消毒措施指引1.公共场所、学校和托幼机构应首选自然通风,尽可能打开门窗通风换气。2.应保证空调系统的供风安全,保证充足的新风输入。所有排风要直接排到室外。未使用空调时应关闭回风通道。3.对地面、墙壁、电梯等表面定期消毒。消毒时应 Recurrent disinfection guidelines 1. Public places, schools and nurseries should be the preferred natural ventilation, as much as possible to open the doors and windows ventilation. 2 should ensure that the air conditioning system for wind safety, to ensure adequate fresh air input. All exhaust should be routed to the outside directly. Air return should be closed when not in use. 3. On the ground, walls, elevators and other surfaces regularly disinfected. Disinfection should be