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Covid-19 vaccines have saved more than 3 million lives in US, study says, but the fight isn't over | CNN The Covid-19 vaccines have kept more than 18.5 million people in the US out of the hospital and saved more than 3.2 million lives, a new study says -- and that estimate is most likely a conservative one, the researchers say. Jen Christensen CNN

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Their study, published Tuesday, found that without Covid-19 vaccines, the nation would have had 1.5 times more infections, 3.8 times more hospitalizations and 4.1 times more deaths than it did between December 2020 and November 2022.

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