Staff in the pre-inspection sub-clinic, isolation observation room, floor, bathroom, handrails, door handles, diagnosis and treatment equipment, patient seats, etc., wipe the desktop with disinfectant wipes, and mop the floor with 1000mg chlorine-containing disinfectant. In the process of environmental cleaning and disinfection, strictly observe hand hygiene, focus on wiping high-frequency contact surfaces, pay attention to correct wiping methods to avoid duplication, and dispose of medical wastes as required. Lift the blockade and resume traffic.