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Original title: Wearing a mask is one of the most important and effective prevention and control measures to prevent the novel coronavirus! Authors: Meng yuanyuan, Public Health Center of Henan People's Hospital, People's Hospital of Zhengzhou University Epidemic prevention and control can not be relaxed for a moment, and wearing masks is one of the important means for the public to do a good job of personal protection. Not long ago, Zhengzhou promulgated the Decision of the Standing Committee of the Zhengzhou People's Congress on Wearing Masks and Using Place Codes during the Normalization of COVID-19 pandemic Prevention and Control, and violators will bear legal responsibility. How to choose a mask? Wearing masks is one of the most important and effective means of prevention and control to prevent the spread of COVID-19, and it is also an important measure for the public to do a good job of personal protection. At present, the protective ability of masks produced by regular manufacturers in the market from high to low is N95 mask and KN95 masks, medical protective masks, surgical mask and medical masks. All of these masks have the function of preventing novel coronavirus,Medical Full Body Coverall, while ordinary masks and anti-smog mask have no function of preventing novel coronavirus. The public should choose appropriate masks according to the level of exposure risk. Adults with underlying respiratory diseases should choose mask products under the guidance of doctors, and very young infants are not recommended to wear masks. Masks must be used within the validity period, which will weaken the isolation effect on bacteria and viruses. These practices will make the mask "ineffective", so we must pay attention to them! Wearing a mask in the wrong way not only fails to achieve protective effect, but also may cause disease. Here are five ways to make masks "ineffective": 1. Pull the mask to the chin. : After wearing a mask for a long time,Against Bacteria Breathable KN95 Face Mask, many people are used to pulling the mask to the chin to expose their mouth and nose, especially when shopping and dining. 2. Not completely fitted to the face : There is a gap between the mask and the face. When people breathe, the airflow will flow to the gap. Correct practice: When wearing a mask, press the nose to fit the whole face. The mask must cover all the mouth and nose, the metal strip is close to the bridge of the nose, the upper end is under the eye socket, and the lower end covers the lower jaw. 3. Touching the outside of the mask when removing the mask : We have blocked the droplets through the mask. If we take it off directly from the outside by hand, Virus Prevention Mask 3 Ply with Earloop ,CE Certificate KN95 Mask, it is equivalent to opening the channel of contact transmission. (function() { function getBrandHtml() { var brands = [],Medical Disposable Coverall, html = ''; for(var i = 0; i < brands.length; i++) { var brand = brands[i]; if(brands.length i+1) { html+= ''+brand.name+''; } else { html+= ''+brand.name+'、'; } } return html; }; if(document.getElementById('linkBtn')){ document.getElementById('linkBtn').onclick = function() { $('#brands').removeClass('brand');$ ( '# tipInfo').text ( 'Real name responded'); $ ('#linkBtn').remove();$ ('.real-response .content').css('line-height', '20px');$ ('.real-response .time').css('line-height', '20px'); }; document.getElementById('brands').innerHTML = getBrandHtml(); }; })();。 zjyuan-group.com