Recently, the new type of coronavirus pneumonia broke out in many places. face mask is an important means to block the spread of the COVID-19 and other respiratory infectious diseases. It is very important to standardize the wearing of face masks. Here we are going to introduce more about the face mask.
What is the importance of wearing a face mask?
How to wear face mask correctly?
When do you need a face mask?
What is the importance of wearing a face mask?
Delta and Omicron strains are mutant strains of the COVID-19, and their transmission route is still through respiratory droplets and close contact. Contact with virus-contaminated items may also cause infection, and exposure to high concentrations of air in a relatively closed environment. In the case of aerosols, there is a possibility of transmission by aerosols. Therefore, it is still important to wear a face mask to cover the mouth and nose to protect the respiratory tract.
The protective efficacy of all vaccines is difficult to reach 100%. Individual differences and immune evasion of existing vaccines due to virus mutations will lead to a few "breakthrough infections". Therefore, even if the new coronary pneumonia vaccine is vaccinated, it is difficult to enter crowded or poorly ventilated places. Wear a face mask correctly in public places, when taking elevators or public transportation, and when seeking medical treatment.
How to wear face mask correctly?
1. Clean your hands: wash your hands before wearing or before and after removing the face mask, and do not touch the outward-facing part of the mask with your hands when removing the mask;
2. Distinguish inside and outside: Before wearing, turn the nose clip side up and the dark side out (the face mask with no color difference is judged according to the folds, and the folds are downwards to the outside);
3. Ensure tightness: When wearing, place the tips of both fingers in the middle of the metal nose clip, press along the sides of the bridge of the nose and the face, and adjust the position of the face mask to ensure that the mask can cover the face, mouth and chin.
When do you need a face mask?
1. When we are in crowded places such as shopping malls, supermarkets, cinemas, venues, exhibition halls, airports, docks and hotel public areas, we need to wear face masks;
2. When we take public transportation such as van elevators and long-distance buses and buses, we need to wear face masks;
3. When we are in crowded open-air squares, theaters, parks and other outdoor places, we need to wear a face mask;
4. When we have symptoms such as nasopharyngeal discomfort, coughing, sneezing and fever, we need to wear a face mask;
5. When we are not eating in restaurants and canteens, we need to wear face masks.
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