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Tracking the snowstorm as it moves across the U.S.
CDC updates guidance on best masks to protect against COVID-19
The Centers for Disease Control and Prevention has updated its mask guidance to note that N95 and KN95 masks offer higher levels of protection against COVID-19 than cloth masks, although it stopped short of recommending that everyone wear them. The change comes as the rapidly-spreading Omicron variant continues to cause […]
