N95 Mask vs. KN95 Mask Difference | 合法醫療器材資訊網

2021年5月15日—First,thereportfoundthatN95masksaremorethan95percentefficientatfiltering0.3-μmparticles—particlesthatareevensmallerthanthe ...

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Though mask restrictions have eased across the country (and around the world), officials say you shouldn’t be taking off your masks just yet, especially if you’re in crowded places or traveling. Even if you have received your vaccine and booster, medical experts continue to promote the wearing of face coverings as an effective way to prevent the spread of Covid-19[1], the Omicron variant, the new BA.5 variant and other potentially harmful viruses in the air.

And while airlines and the FAA have relaxed guidelines mandating the wearing of face masks[2] in-flight, many travelers are still ...