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As South Carolina's outbreak grows to 876 confirmed cases, vaccinations in the state surged in January. Cases have also been reported in two ICE detention facilities.
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Ski mountaineering will make its Olympic debut this year, the first winter sport to do so since 2002. Skeleton, luge, ski jumping and moguls are also getting new events.
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US Olympic athletes are arriving and settling into their digs for the next couple of weeks in Italy. Curlers are amazed by the mountain scenery in Cortina; figure skaters are plant fostering in Milan; and the big air slopestyle women are "smashing pizzas" in Livigno.