What is the difference between Masks?
We have to distinguish two different types of masks. surgical masks and N95 masks.
Surgical masks are useful in preventing the spread of large droplets of saliva and mucus everywhere when someone with COVID-19 coughs or sneezes. If you are infected, wearing surgical masks can help prevent the spread of the infection.
However, COVID-19 can be distributed by air. These are tiny droplets that stay in the air and spread after a person coughs or sneezes, especially in enclosed spaces such as small rooms.
Surgical masks are not particularly useful for these tiny droplets, which can penetrate through the holes in the upper and lateral parts of the mask. To fully protect yourself from these small droplets, you need a properly matched N95 mask.
They destroy 95% of small particles and form a tight seal around the nose and mouth to prevent transmission. However, the seal depends on the correct size and fit of the mask. You must be checked and prepared to determine your size and ensure a good seal. Otherwise, the mask does not work.
Healthcare professionals have been tested for physical fitness and trained to use the N95 mask. There are no lay people. And by purchasing all the N95 masks for which they are unsuitable or do not know how to use them, they limit the supply of health workers.
If you are at high risk, I recommend that you take the N95 mask fit test and learn how to use it before purchasing the mask. If not, continue to follow the CDC recommendations.