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How to wear a mask?
Updated: March 19, 2020 16:49 Chinese Center for Disease Control and Prevention

How to wear medical surgical masks?

1) The dark side faces outwards, and the side with the metallic strip faces upwards;

2) Fold up and down to cover the nose and chin;

3) Mold the metallic strip to make it close to the bridge of the nose to prevent side leakage.

How to wear protective masks (take KN95 or N95 masks as examples)?

1) The side with the logo faces outwards, and the side with the metallic strip faces upwards;

2) Fasten the elastic straps that fixes the mask, or position the elastic straps around both ears to fit snugly over the face.

How to wear headbands masks?

1) Hold the mask body with one hand, put fingertips on the metallic nose strip, let the two headbands hang freely under the back of the hand;

2) The metallic strip faces up, let the mask cover the chin, the upper headband is worn on the top of the head, and the lower headband is worn on the neck;

3) Starting from the middle of the metallic strip with both index fingers, press down on it while moving to both sides to shape the shape of the bridge of the nose.

How to wear ear-loops masks?

1) Face the side without the nose clip, and pull the ear straps with both hands, so that the nose strip faces up;

2) Let the mask against your chin;

3) Pull the ear straps to the back and adjust them to feel comfortable;

4) Starting from the middle of the metallic strip with both index fingers, press down on it while moving to both sides to shape the shape of the bridge of the nose. Pinching the nose strip with one hand will cause sharp angles and air leakage, and reduce shielding performance. The nose strip should be pressed with both sides at the same time.

Whether it is a headbands or ear-loops mask, an air impermeability test is required after wearing. Cover the mask with both hands and breathe. If you feel that gas leaks from the nose strip, you should readjust it. If you feel that gas leaks from both sides of the mask, you need to further adjust the position of the headbands and earloops; if it still leaks, you need to change another one.

(Reference: Health Education Manual for COVID-19 Control issued by National Health Commission and China Health Education Center)

Source: Chinese Center for Disease Control and Prevention

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