Can surgical masks protect you from getting the flu?
The flu virus is mainly spread by droplets expelled from the mouths and noses of infected people when they cough, sneeze or talk. These droplets ..
How do you know that your mask is really a three-layer surgical mask?
These masks are non-woven masks that consist of three layers of non-woven polypropylene materials:
- A waterproof outer non-woven ..