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Get vaccinated, if youre not already vaccinated. get boosted. >> reporter: hospitalizations and deaths were already predicted to increase after a recent surge in cases before omicron was detected. the delta variant still accounts for more than 99% of cases worldwide. now labs across the country are sequencing approximately 80,000 p.c.r. tests a week to see where omicron might show cbs david begnaud was given access to a new york city lab sequencing about 2,000 of those test samples. >> reporter:...