1. Do not reuse disposable masks. Disposable masks usually need to be replaced once every 6 to 8 hours.
2. The outer layer of the mask often accumulates a lot of dirt, bacteria and other dirt in the outside air, and the inner layer blocks the exhaled bacteria and saliva. Therefore, the two sides cannot be used alternately, otherwise the dirt contaminated by the outer layer will be directly When it is in close contact with the face, it is sucked into the human body and becomes a source of infection.
3. When the mask is not worn, it should be folded into a clean envelope, and the side that is close to the nose and nose should be folded inward. Do not put it in your pocket or hang it around your neck.
4. If the mask gets wet with exhaled hot air or saliva, its barrier effect will be greatly reduced. Therefore, it is better to prepare a few more masks for replacement.
5. If it is in a high-risk place such as a hospital, regardless of the length of use, once the mask is removed, do not use it again to avoid contamination by touching the mask with your hands.
6. When wearing or removing a mask, your hands may come into contact with the germs attached to the surface of the mask. To reduce the chance of infection due to contact, special attention should be paid to the cleaning and disinfection of the hands.
