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Omicron sweeps across nation, now 73% of new US COVID-19 cases
AOL· 2 weeks agoOmicron has raced ahead of other variants and is now the dominant version of the coronavirus in the...
EXPLAINER: Boosters key to fight omicron, lot still to learn
AOL· 4 days agoThe new omicron variant took only a few weeks to live up to dire predictions about how hugely...