>> thank god based on everything we see so far, the cases are more mild than what we've seen. >> reporter: broadway canceling more performances, sports canceling games and "snl" going without a live audience and most of its cast. omicron cases doubling. >> it's been frustrating to say the least. >> this is the third clinic i've gone to in the last hour. >> this is not march of 2020. it's not even december of 2020. >> reporter: according to the latest cdc data, here's the difference between those who are vaccinated and those who are not. among the vaccinated, 451 covid cases among 50,000. among those vaccinated, 400,000. boosted, 48 cases. here's the crucial part.