So, do you know the right way to wear a mask? Which masks are most effective to wear?
Types of masks
There are many types of masks, and there are 3 main types of masks we currently see.
Surgical masks for medical use
Medical protective masks (N95 masks, KN95 masks)
Plain cotton masks
Medical surgical masks can block 70% of bacteria, N95 masks can block 95% of bacteria, and cotton gauze masks can only block 36% of bacteria.
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How do you choose a mask?
1, in order to self-protection and reduce the risk of respiratory tract infection for the purpose of wearing medical surgical masks, medical protective masks (N95 masks, KN95 masks) can be.
2, ordinary mask, a variety of net red mask (as shown below) most of the material for cotton, gauze, wool, canvas and velvet, mainly for warmth, can not play the purpose of infection prevention, is not recommended to wear.
3, if the public is to go to general crowded places, not in close contact with respiratory patients, wear a medical surgical mask is sufficient, without excessive protection.
Wash your hands before and after wearing medical masks.
Before wearing the mask, you must wash your hands to avoid touching the inner surface of the mask, and avoid touching the mask during use to avoid reducing its protection. When taking off the mask, try not to touch the outside of the mask to avoid getting bacteria on your hands, and always wash your hands after taking off the mask.
Wearing a medical mask requires regular replacement.
Regardless of the type of mask, the protection is limited and needs to be replaced regularly. It is best to replace it every 2 to 4 hours. Avoid rewearing a mask that has already been used. Key point: N95 masks, KN95 masks are also disposable masks.
For your health and the health of others
Preventing infection by respiratory transmission of the virus
Make sure you wear a mask!
Wear a medical surgical mask or N95 mask, KN95 mask!
Wear the mask correctly!