Transcripts for CNN CNN Newsroom With Alisyn Camerota and Vi

center college of public health. this new study sure explains a lot. the effectiveness of the vaccine because of the darin has dropped from 91% to 66%, is that why we're seeing this spate of breakthrough cases? >> thank you, alisyn. always a pleasure. so this study is consistent with three or four other studies the cdc has recently presented. the bigger point here is the vaccine is still two third protected against infection. and still in the 90s for severe disease. so the vaccine still works really well. and i think long-term or currently, the bigger issue is to get to 90 million vaccinated than getting a third dose into other people. >> let me be clear. i always wanted to avoid hospitalization and death, okay, and the vaccine -- that has been my plan all along. thus far, i have fulfilled that plan. and the vaccine still protects against that. but just -- for people who are wondering, why are these

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