What is a face mask used for?
Facemasks help limit the spread of germs.
When someone talks, coughs, or sneezes they may release tiny drops into the air that can infect others. If someone is ill a face masks can reduce the number of germs that the wearer releases and can protect other people from becoming sick. A face mask also protects the wearer’s nose and mouth from splashes or sprays of body fluids.
This is why a mask should be worn.
Just by talking you shed droplet particles from your mouth. Using lasers, in this video, it shows you what your eyes can't usually see. What's the best way to help prevent the virus spread? Yeah, wear something called a face mask. Cotton ones are also effective.
What face masks actually do against coronavirus
Face masks don't make you invincible.The fight against coronavirus is global. But the guidelines on whether you should wear a face mask as part of that fight are often completely different from place to place. That means that, for a lot of people, whether you wear a face mask when you leave the house is basically up to you.
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