How many lives have coronavirus vaccines saved? We used state data on deaths and vaccination rates to find out

More than 200 million U.S. residents have gotten at least one shot of a COVID-19 vaccine with the expectation that the vaccines slow virus transmission and save lives.

Researchers know the efficacy of the vaccines from large-scale clinical trials, the gold standard for medical research. The studies found the vaccines to be very effective at preventing severe…

© La Conversation - vendredi 15 octobre 2021