What the Omicron variant means for the holidays

Just when we thought we were heading for a more normalized holiday season, a new variant -- the dreaded Omicron -- has been identified as a "variant of concern" by the World Health Organization. I and other public health experts are cautioning Americans to take this variant seriously, but also to be patient, as we have much to discover. But I recognize that the wait feels understandably frustrating: how is it possible that almost two years into the pandemic, we still can't know with certainty what the next best step might be?

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