What kind of face masks work best? Gives the best protection against Covid-19?
The N95 respirator mask fits your face. They filter out 95% or more of the smallest particles in the air. But they must be just right for the job.
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- N99 respirators – The N99 gas mask can filter 99% of these particles.
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- N100 respirators – N100 gas mask can filter 99.7% of these particles
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Surgical masks are usually blue with a white border. They fit loosely Across your nose and mouth. These masks can prevent large drops of water when the patient coughs or sneezes, but they are too loose to resist all bacteria. And they cannot block the smallest particles that might carry coronavirus
Do-it-yourself (DIY) cloth masks are less effective in protecting the
wearer because most masks have gaps near the nose, cheeks, and chin that can inhale small droplets. In addition, the fabric is usually porous and cannot block tiny droplets.
Although cloth masks are often not as effective as medical masks, experimental results show that wearing and constructing a mask correctly is much better than no mask at all.
Face shield and face masks: which method can prevent the spread of viruses more effectively?
If you wear a mask when you leave home, you may not want to do this. Masks are awkward and uncomfortable and may be difficult to use correctly: if the masks are not worn and removed with clean hands, they can actually spread rather than prevent infection.
More and more researchers think this is a better method. Face shields (covering human faces with transparent curved plastic panels) are more comfortable, easy to put on and take off, reusable, and easy to clean. But the most important thing is, “We think the Face shields are much more effective.