Before wearing the mask, wash hands with alcohol or soap and water.
Cover your mouth and nose with a mask, making sure there is no gap between your face and the mask.
When using a mask, avoid touching it; if you use it, wash your hands with alcohol or soap and water.
When the mask is wet, immediately replace it with a new mask, and do not reuse a single-purpose mask.
Mask removal: remove from the back (do not touch the front of the mask); immediately discard in a closed trash can; wash hands with alcohol or clean hands with soap and water
If you are healthy, you only need to wear a mask if you are caring for someone with new coronary pneumonia.
Wear a mask when you cough or sneeze.
Face masks are effective, and only when used, often wash hands in combination with alcohol-based hand washing or soap and water.
If you wear a mask, then you must know how to use it and dispose of it properly