how the air circulated at cloth mask
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Answer:
Can face masks help slow the spread of the coronavirus (SARS-CoV-2) that causes COVID-19? Yes. Face masks combined with other preventive measures, such as frequent hand-washing and physical distancing, can help slow the spread of the virus.
The U.S. Centers for Disease Control and Prevention (CDC) recommends fabric masks for the general public. The CDC says that N95 masks should be reserved for health care providers.
The World Health Organization (WHO) recommends medical masks for health care workers as well as for anyone who has or may have COVID-19 or who is caring for someone who has or may have COVID-19.
The WHO also recommends medical masks for individuals who are at a higher risk of becoming seriously ill with COVID-19, such as people in their 60s and older, and people of any age with significant health problems.
A cloth mask is intended to trap respiratory droplets that are released when the wearer talks, coughs or sneezes. It also acts as a barrier to protect the wearer from inhaling droplets released by others.
The most effective cloths masks are made of multiple layers of tightly woven fabric like cotton. A mask with layers will stop more droplets from getting through your mask or escaping from it.
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