an effective measure against the new coronavirus, and the Ministry of Health, Labor and Welfare also recommends wearing a mask in medical institutions and crowded places. Meanwhile, a research team at ...
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Do KN95 masks or N95 masks offer better protection?
NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we may earn a commission. Learn more. Fewer people wear face masks than during the Covid-19 ...
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