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What kind of mask can prevent the novel coronavirus Faku Xian

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Original title: What kind of mask can prevent the novel coronavirus? Yesterday, the National Health Commission issued announcement No.1! With the approval of the State Council, the State Health Commission has decided to incorporate pneumonia infected by new coronavirus into the Category B infectious disease stipulated in the Law of the People's Republic of China on Prevention and Treatment of Infectious Diseases, and to take Category A infectious disease of preventive and control measures. In the face of the epidemic, everyone is concerned about: How can I prevent it? Among the many preventive measures, a particularly important one is "wearing a mask". So, what kind of mask can prevent infection? How to wear a mask correctly? What should I do if I can't buy a mask? 01 What kind of mask is appropriate? At present, the main masks you can see on the market are: medical protective masks with the highest protection level (such as N95), surgical mask commonly used in invasive operating environments such as operating rooms, and disposable medical masks of ordinary level. In addition, there are cotton masks, sponge masks and other "net red masks" worn by various stars. Medical respirator (N95) N95 mask is one of the nine particulate masks certified by NIOSH (National Institute for Occupational Safety and Health), which can prevent droplet transmission caused by patients. Expand the full text There are two kinds of common N95 mask, one with breather valve and the other without breather valve. Breathing valves are considered to be less protective against viruses, while those without breathing valves are less breathable, more laborious to breathe, and should not be worn for a long time. When you buy, you can choose according to the actual situation. N95 is not a specific product name. As long as the product meets the N95 standard and passes the NIOSH review,Medical Quickly Delivery Antivirus Coverall, it can be called "N95 mask". In particular, it should be reminded that the "bacterial filtration ≥ 95%" indicated in the packaging of some brand masks is not equal to the "N95 protection level". In addition, there is no so-called 3m standard mask, 3m is only a mask brand, not all 3m masks can meet the N95 protection level. (Photo: Doctor Do of Union Medical College) surgical mask Surgical mask is a medical mask commonly used in operating rooms and other environments with the risk of body fluid and blood splashing, which can prevent blood and body fluid from passing through the mask to contaminate the wearer. At the same time, the filtering efficiency of bacteria should not be less than 95%,KN95 Face Mask, but the filtering efficiency of particles is limited, and most of them are rectangular design, so the tightness with the face is not as tight as that of medical protective masks.  YY/T 0969-2013. Ordinary mask Ordinary masks may be made of cotton cloth, gauze, sponge, Virus Prevention Mask 3 Ply with Earloop ,free shipping disposable coverall, canvas and velvet, because the material itself is not dense enough to prevent infection.  The elderly and patients with chronic diseases have different physical conditions, such as patients with heart and lung diseases will cause discomfort after wearing, and even aggravate the original condition,KN95 Face Mask with Five Layers, these people should seek professional guidance from doctors. Children are in the stage of growth and development, and their faces are small. It is generally recommended that children who are too young wear masks. If necessary, they should choose special protective masks for children produced by regular manufacturers. Return to Sohu to see more Responsible Editor:. zjyuan-group.com


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Liáoníng

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Faku Xian

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