Floor footpath, elevator and stair can not undertake air is disinfected, undertake object surface is disinfected only.

• 对于体积较大的房间，密闭后应用2%25过氧乙酸溶液按每立方米8毫升的量进行气溶胶喷雾消毒，作用1小时后即可开门窗通风。