What should children pay attention to when they wear masks?

At present, the epidemic situation of Xinguan in China is slowing down, but the epidemic situation abroad is still severe. It’s not time to take off the masks, but it’s time to start school and enter the kindergarten, so how do children wear masks best? < / P > < p > according to a recommendation issued by the World Health Organization on August 24 on the use of masks for children during the new crown epidemic, children aged 5 and under are not required to wear masks in principle. < p > < p > according to who, children aged 5 and under may be required to wear masks in some areas, and in special cases such as close contact with sick people, they may also need to wear masks. If it is necessary to wear masks, parents or guardians should always keep children in their sight and supervise the use of masks at any time. < / P > < p > for children aged 6-11 years, who and UNICEF recommend to make a judgment based on the following conditions: whether there is a large area of virus transmission in the residential area; the convenience of obtaining, cleaning and replacing masks; whether there are adults who can correctly guide and supervise the safe wearing, removal and use of masks; and the impact of wearing masks on learning ability and social psychology Whether the children will contact with other high-risk groups, such as the elderly or people with underlying diseases. < / P > < p > who and UNICEF believe that the conditions for wearing masks are the same for children aged 12 and above as for adults. However, children with severe cognitive and respiratory disorders and difficulties in the tolerance of masks should not be required to wear masks under any circumstances. Protective screen should be considered as an alternative to masks. The face screen should cover the whole face, cover both sides of the face, and extend below the chin. Attention should be paid to safety when wearing, so as to avoid facial fragmentation Or eye injury. Who also said that children should not wear masks when they are engaged in sports or physical activities, such as running, jumping and playing, so as not to affect their breathing. According to the performance of masks, children’s masks are divided into “child protective masks” and “child health masks”. The two types of children’s masks are small, medium and large. Parents can choose the style suitable for their children according to their children’s age and face shape. < / P > < p > child protective masks. It is a three-dimensional mask with good tightness and can prevent the inhalation of particles such as microorganism, droplet, dust and pollen. It can be used in medium pollution or potential medium risk environment, such as haze days, influenza season and large public health emergencies in stations, public transportation, airports, supermarkets and other scenes. The filtration efficiency of particulate matter is not less than 95%, and the protection effect is not less than 90%. The results showed that the expiratory resistance and inspiratory resistance should not be higher than 45pa; the formaldehyde content should not be higher than 20mg / kg; the inner material of mask should not be printed or dyed; the microbial index should meet the requirements of disposable sanitary products. < p > < p > children’s health mask. It is a plane type mask with good comfort and can block the spread of particles such as microorganism, droplet, dust and pollen. It can be used in low pollution or low-risk environment, such as daily cold, influenza and general public health events in restaurants, classrooms, workplaces, dormitories and other scenes. The filtration efficiency of particulate matter is not less than 90%, and that of bacteria is not less than 95%. The results showed that the ventilation resistance should not be higher than 30Pa; the formaldehyde content should not be higher than 20mg / kg; the inner material of mask should not be printed or dyed; the microbial index should meet the requirements of disposable sanitary products. Pigtail is the most delicious way to do, super simple, women often eat, beauty and beauty, delay aging