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Is the cloth mask antivirus

Cloth masks cannot protect against viruses, especially new coronaviruses. Generally, cloth masks have good breathability, warmth, and elasticity. Their textures are light and soft, so they are comfortable to wear, and the surface patterns are rich in color. Most of them are used for wind and heat preservation. Whether the mask can be anti-virus is mainly due to its filter material. The cloth mask is mainly made of cotton or chemical fiber fabric. It has a certain function of warmth and windproof, basically does not have the function of adsorbing bacteria and preventing dust. Its structure has a poor adhesion to the human face. Many fine particles that are extremely harmful to the human body will enter the respiratory tract to the lungs through the gap between the mask and the face. Its filter material is usually some mechanical fabric. This filter material The only way to achieve high dust suppression efficiency is to increase the thickness, and the negative effect of increasing the thickness is to make the user feel that the breathing resistance is very large, making people feel uncomfortable. It can be seen that cloth masks cannot isolate coronavirus. Therefore, during the epidemic of new coronavirus pneumonia, you should choose your mask carefully. In addition to the type, the size of the mask must also be appropriate, and the wearing method should also be correct, so that the role of the mask is effective. At present, it is clinically recommended that you choose a mask of N95 or similar protection level or above for the prevention of new coronavirus pneumonia. During the use, you must pay attention to the replacement of the mask. If you encounter contamination and the user feels that the respiratory resistance has become larger, or the mask In case of damage, etc., they should be replaced in time.

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