Masks May Reduce Viral Dose, Some Experts Say. Why a face shield alone may not protect you from coronavirus

Why a face shield alone may not protect you from coronavirus ...
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17 時間前 - Plastic visors are widely used to protect people in shops, bars and beauty salons from the coronavirus. But is a visor enough protection from airborne infection?

Masks May Reduce Viral Dose, Some Experts Say

People wearing face coverings will take in fewer coronavirus particles, evidence suggests, making disease less severe.