1. Ordinary medical masks are used to block the exhaled breath from the oral cavity and nasal cavity, and can be used for one-time hygiene care in ordinary medical environments with the lowest protection level. It is suitable for general hygiene care activities, such as sanitation cleaning, liquid distribution, cleaning bed units, etc., or the blocking or protection of particles other than pathogenic microorganisms such as pollen.
2.The most effective role of 95 masks is to prevent the spread of severe respiratory diseases, such as SARS or influenza and the new coronavirus outbreak. Masks marked KN95, N95, FFP2 and above can be selected.
3. Studies have shown that within the predetermined range, surgical masks are no worse than KN95 / N95 masks in preventing influenza. So if you can't buy a N95 mask, you can choose a general surgical mask.
4. At present, there are many kinds of masks on the market, the names of which are written as medical, protective, etc., and may not necessarily have the effect described, how do we judge? Whether it is a medical protective mask or a surgical medical mask, ordinary medical masks belong to medical devices and are included in the management of medical devices. China's production and management of medical devices are quite strict, so as far as conditions permit, try to choose mechanical size products. Masks for medical device production licenses and medical device product registration certificates.
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