A. Disinfection of indoor air in the outpatient clinic: strengthen ventilation, keep the door of the outpatient hall in a constant state of openness, and use natural ventilation and mechanical ventilation in the clinic rooms, ≥2 times a day, each time ≥30 minutes (correct answer)
B. Disinfection of the surface of the object: including waiting chairs, doors, windows, elevators, etc., using effective chlorine concentration of 500mg/L chlorine disinfectant wipe disinfection, effect of 30 minutes after wiping with water. Use effective chlorine concentration of 500mg / L of chlorine-containing disinfectant wipe disinfection, the role of 30 minutes after the water wipe, 2 times a day (correct answer)
C. Self-service billing machines, computers, call displays, elevator buttons, etc., can be disinfected with a 75% alcohol wipe
D. Ground Disinfection: Including elevator floors, the use of chlorine concentration of 500mg / L of chlorine-containing Disinfectant cleaning and disinfection twice a day (correct answer)
E. None of the above is correct