indoor air disinfection.

open the window and ventilate for more than 31 minutes, mainly by natural ventilation. If possible, mechanical ventilation measures such as exhaust fan can be adopted, and circulating air air disinfection machine can be used for air disinfection. If there is no one, ultraviolet lamp can be used for air disinfection.

disinfection of doors and windows of ground walls.

during disinfection, spray disinfection should be carried out in the order from top to bottom, from left to right.

spray disinfection can be done by spraying 1111mg/L chlorine disinfectant solution or 511mg/L chlorine dioxide disinfectant solution. When wiping and disinfecting, use.