It is important to wear a mask for scientific norms

1. You need to wear a mask outdoors

In August 2021, the state issued the "Notice on Printing and Distributing the Guidelines for Wearing a Mask (August 2021)". It is recommended that the public choose a one -time use of medical masks, medical surgical masks or above protective masks. In addition to wearing a mask in a closed place, the ordinary public needs to wear a mask when it is in outdoor places such as the dense open -air square, theater and parks. Under normal circumstances, you can wear disposable medical masks or medical surgical masks; if you go to the hospital for medical or uncle's indoor venues such as medical or shopping malls and supermarkets, it is recommended to wear KN95/N95 granular protective masks.

2. No need to wear a multi -layer mask

Most of the scenes of daily work and life, for ordinary public and public places related practitioners, wearing a layer of medical masks can meet the protection requirements. Qi density and protection effect. At the same time, the effect of double layers of masks on the protection effect is not much different, but it increases breathing resistance and affects the comfort of the mask wearing.

3. It is recommended to use disposable masks

For ordinary public, in addition to reusable masks, masks are recommended to use it at one time. Especially on cross -regional public transportation, or masks such as hospitals such as hospitals, it is not recommended to reuse. Generally, change every 4 hours. If the mask is wet or polluted, it should be replaced in time.

If you have discomfort such as dullness and shortness of breath during the mask, you should immediately go to the open ventilation place to remove the mask.

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