What standards should masks meet during the epidemic?

The common standard is YY0469-20 10, or YY0469-20 1 1, which is printed on the individual package of each mask.

Scientific and reasonable selection and correct use of masks can effectively reduce the risk of novel coronavirus infection, which is an important means for the public to protect their health. Mask can not only prevent patients from spraying droplets, reduce the amount and spraying speed of droplets, but also block droplets containing viruses and prevent the wearer from inhaling them.

Staff in hospitals, airports, railway stations, subways, ground buses, airplanes, trains, supermarkets, restaurants and other crowded places. , as well as police, security guards, couriers and other employees, as well as people living in isolation from others, it is recommended to wear medical surgical masks or particle-proof masks that meet the standards of N95, KN95 or above, and paper masks, activated carbon masks, cotton masks and sponge masks are not recommended.

During the epidemic period, if there are many people, go to public places, enter crowded or closed places to take public transport, it is recommended to wear masks. In remote or open places, you don't need to wear a mask at this time.

Selection type of mask:

1, disposable medical mask: the most common medical mask, with a lower protection level than medical surgical mask.

2, medical surgical mask: * * has three layers, with a filter layer in the middle, which can block body fluids, blood, bacteria and some particles.

3. Medical protective masks refer to masks that meet the technical requirements and standards of medical protective masks. Its protective effect is higher than that of medical surgical mask, and it has the ability to stop blood and infectious body fluids from splashing.

4. Protective masks for particulate matter with 4.N95/KN95 or above standards: N95 is an international standard, that is, the filtration efficiency of particulate matter reaches over 95%. The larger the number, the stronger the filtering ability. The protective effect of this kind of mask is better than that of medical surgical mask. It is suitable for medical staff to supplement medical protective masks when they are in short supply, but it is not recommended to use them in areas with high humidity such as operating room or the risk of splashing body fluids.

5. Self-priming filter respirator to prevent particulate matter, also known as protective mask, can be divided into full-face respirator and semi-face respirator, which can be used in an emergency. The protection level is higher than the medical protective mask, and the full-face mask can be used for intubation and incision of patients or suspects.