CNN The Situation Room With Wolf Blitzer December 1, 2021 23:02:00
>> this is the first confirmed case of covid-19 caused by the omicron variant detected in the united states. >> reporter: a fully vaccinated person who recently returned from south africa to san francisco, the first to test positive for the new variant about which little is known. >> had they had a booster shot yet? >> to my knowledge, no. >> reporter: this person returned to the united states on november 22nd, tested positive a week later and is now isolating as close contacts are being traced and tested. >> all close contacts thus far have tested negative. >> reporter: the news coming as the...
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