Why you should upgrade your mask as the Omicron variant spreads - CNN
Why you should upgrade your mask as the Omicron variant spreads | CNN
As the Omicron variant spreads, it's time to upgrade from your cloth face masks. Experts explain why medical-grade masks -- such as surgical/disposable masks and N95 and KN95 respirators -- are better options now and what people should do with the cloth masks they already have.
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