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The CDC hasn’t updated its guidance on masks to recommend wearing a higher-quality mask in the face of the omicron variant. But experts recommend that single-layer cloth masks are not protective ...

The omicron variant of the coronavirus may spread more quickly and efficiently, and now that it is the dominant strain it's worth reconsidering use of cloth masks. In some places, such as Minnesota ...

According to a recent CDC study, doubling up a disposable medical procedure mask with a cloth one can lower exposure to particles sized 0.1–7 μm (the typical range of SARS-CoV-2 particles) by about 83 ...

The Centers for Disease Control and Prevention on Friday updated its guidance on masks for the general public, now saying that people "may choose" to wear N95 and KN95 masks because they offer the ...

Editor’s note: This post is no longer being updated. For the latest information on masking requirements in the Seattle area, Washington state and U.S., click here. COVID-19 is once again surging ...

The highly transmissible omicron variant is sweeping the U.S., causing a huge spike in covid-19 cases and overwhelming many hospital systems. Besides urging Americans to get vaccinated and boosted, ...