When we breathe, talk, cough or sneeze, we release respiratory particles into the air. These can carry viruses and be inhaled by other people.
This graphic illustrates how wearing a respirator can reduce the number of particles released into the air and help protect others. When everyone wears an effective, well-fitting mask, there are additional layers of protection between an infectious person and those around them.
To find out about the differences between masks and respirators have a look on other content on our Resources Page. Here’s three links to get you started: