Add Yahoo as a preferred source to see more of our stories on Google. An-N95-respirator-mask-sits-on-a-black-tabletop. Filtering face-piece respirators like N95 masks are often a standard piece of ...

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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 ...