A report from The Commonwealth Fund indicates that that approximately 279,000 lives have been saved through vaccination efforts in the U.S. with 1.25 million avoiding hospitalization. Since December 2020 when a rapid vaccine rollout plan was launched, 67% of adults have received at least one dose.
The report can be obtained at https://www.commonwealthfund.org/publications/issue-briefs/2021/jul/deaths-and-hospitalizations-averted-rapid-us-vaccination-rollout.