The new crown can be ventilated by opening the windows.
To prevent new crown virus infection, you need to open the windows to ventilate, it is recommended to open the windows once a day in the morning, afternoon and evening, each time you need about 30 minutes, open the windows to ventilate, but also to choose the time when the air quality is better. If the air quality is poor, you need to reduce the frequency of opening windows and the time of ventilation.
Ventilation can dilute the concentration of the new coronavirus, reducing the chance of infection, and increase the chance of ultraviolet radiation, but also kill the virus, the new coronavirus in the external environment is relatively unstable, most of which can be killed by ultraviolet light.
New Coronavirus is an extremely contagious virus, so you need to wear a mask when you go out, keep a certain social distance from others, and actively wash and disinfect your hands when you return home from a night out.