Two years later, did Covid vaccines live up to their promise?

"...Adults who are up to date on their shots are 15 times less likely to die from Covid than those who are unvaccinated. Covid vaccines prevented more than 3.2 million deaths and 18.5 million hospitalizations in the U.S. from December 2020 through November 2022, according to an analysis published Tuesday by the Commonwealth Fund and Yale School of Public Health..."