Haze has not Hebei, Beijing and Tianjin "patent ." 2013 winter so far, Jiangsu , Shanxi, Shaanxi , Henan, Shandong and other places are persistent fog and haze . Haze to peoples lives adversely affect the market fire while filling up the mask . In this regard, food and drug regulators tips , masks , although a small product, but it is directly related to peoples life, health, their safety must not despise . Recently , Jiangxi, Jiangsu and food and drug regulatory authorities after sample testing of medical masks products found substandard prominent problem in the presence of some companies cut corners , shoddy , labeling confusion .
Daily protection concern
As we all know , SARS (SARS), Influenza A (H1N1) virus epidemic H7N9 influenza virus , prompting people to adopt preventive protective masks to enhance awareness of the disease . For multi- region continued to appear in fog and haze , medical experts recommend that people using more masks to prevent inhalation of harmful solid particles .
PLA 309 Hospital , PLA Institute of Tuberculosis Lin Minggui director told reporters that the haze is "fog " and " haze " and collectively . Haze ≥ 10 microns in diameter solid respirable particulate matter (PM10), which can be discharged through the airway cough reflex ; ≤ 2.5 microns in diameter solid respirable particulate matter (PM2.5), if inhaled over a longer time , it will be deposited lungs , and even adhere to the alveolar surface , severe cough reflex , drugs and food , were unable to put it "catch " them. Even more serious is that prolonged inhalation of PM2.5 can cause lung elasticity, function, and even induce pulmonary fibrosis , which affects the respiratory function, and almost impossible to reverse. Therefore, in the event of fog and haze , people should minimize out , the best has to wear surgical masks when they go out an effective protective effect .
Masks wide range of products
After the reporter recently visited Beijing several pharmacies , supermarkets and convenience stores found that a wide variety of masks on the market , there are fancy fashion masks, traditional gauze masks, general medical masks and medical protective masks , as well as marking " can prevent PM2.5 " masks , ranging in price a few dollars to tens of dollars .