How do 2. return to work/return to school scientifically choose masks?
Release time:
2020-03-27
It is still some time before the epidemic is completely over, it is recommended to choose medical masks for protection, not to choose particulate protective masks, warm cloth masks, special industry masks (chemical) to replace medical masks.
Medical masks are divided into three categories in China, medical general masks, medical surgical masks, medical protective masks. General level of medical mask name more, medical care, disposable medical belong to this category. Medical masks that do not have the words "protection" and "surgery" on their names are ordinary medical masks.
According to the protective capacity from low to high are medical ordinary masks, medical surgical masks, medical protective masks. Ordinary medical masks are suitable for ordinary medical environment (bacteria, oral discharge pollutants, nasal exhalation pollutants), medical surgical masks are suitable for clinical invasive operation (body fluid, particulate matter, pathogenic microorganisms), medical protective masks are suitable for medical work environment (particulate matter, blood, body fluid, secretions, droplets), the chance of exposure to the virus is particularly large, should choose a higher level of protection.
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