In different versions of the new coronavirus pneumonia diagnosis and treatment program, there are more clearly recommended to eliminate the new coronavirus program, such as 75% alcohol can inactivate the new coronavirus, the new coronavirus pneumonia disinfection should pay attention to the following points: 1, it is recommended to use through the regular way to buy, within the shelf life of the medical alcohol, need to ensure that the concentration of alcohol. If there is alcohol stored at home for a long time, the concentration may not be sufficient due to volatilization, and it is not recommended to use it. 2. When using alcohol for disinfection, it is generally used to wipe the surface of the items with alcohol, and spraying alcohol is not recommended. If spraying alcohol, there may be a risk of fire when in contact with open flames; 3, after alcohol disinfection of items, to do proper ventilation. If there is a large amount of alcohol in the confined space, the volatilization of alcohol may have a certain impact on human health. Source: Dr. Yurai