Using a Face Mask Correctly

Wearing a face mask often helps people feel protected and reassured. But can a surgical face mask keep you from being exposed to or transmitting certain infectious diseases?

And, if face masks do shield you from infectious diseases, such as COVID-19, is there a proper way to put them on, take them off, and discard them? Keep reading to find out.

 

What is a surgical face mask?

A surgical mask is a loose-fitting, disposable mask that’s rectangular in shape. The mask has elastic bands or ties that can be looped behind your ears or tied behind your head to hold it in place. A metal strip may be present at the top of the mask and can be pinched to fit the mask around your nose.

A properly worn three-ply surgical mask may help block transmission of large-particle microorganisms from droplets, sprays, splatters, and splashes. The mask may also reduce the likelihood of hand-to-face contact.

The surgical mask’s three-ply layers work as follows:

  • The outer layer repels water, blood, and other body fluids.
  • The middle layer filters certain pathogens.
  • The inner layer absorbs moisture and sweat from exhaled air.

However, the edges of surgical masks don’t form a tight seal around your nose or mouth. Therefore, they can’t filter out small airborne particles such as those transmitted by coughing or sneezing.

 

Steps to putting on a face mask

 

  1. Before putting on the mask, wash your hands for at least 20 seconds with soap and water, or rub your hands together thoroughly with alcohol-based hand sanitiser.
  2. Check for defects in the face mask, such as tears or broken loops.
  3. Position the col0uored side of the mask outward.
  4. If present, make sure the metallic strip is at the top of the mask and positioned against the bridge of your nose.
  5. If the mask has:
    • Ear loops: Hold the mask by both ear loops and place one loop over each ear.
    • Ties: Hold the mask by the upper strings. Tie the upper strings in a secure bow near the crown of your head. Tie the bottom strings securely in a bow near the nape of your neck.
    • Dual elastic bands: Pull the top band over your head and position it against the crown of your head. Pull the bottom band over your head and position it against the nape of your neck.
  6. Mould the bendable metallic upper strip to the shape of your nose by pinching and pressing down on it with your fingers.
  7. Pull the bottom of the mask over your mouth and chin.
  8. Be sure the mask fits snugly.
  9. Don’t touch the mask once in position.
  10. If the mask gets soiled or damp, replace it with a new one.
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