before starting the spray disinfection. Then the equipment itself is disinfected by wiping the surface using 75% ethanol.

Floor disinfection
Visible pollutants should firstly be removed using disposable water absorption material, and then the floor should be disinfected by using 2000 mg/L disinfectant containing chlorine (except for chlorhexidine). Furthermore, any other objects (such as handrail, door handle, window, and wall switch) should also be disinfected.

Air disinfection
Air disinfection fo