Commentary
The portion of the U.S. population fully vaccinated against COVID-19 rose from 0 percent at the outset of 2021 to 63 percent by the end of the year. Yet, the CDC recently estimated that average U.S. life expectancy fell by 0.9 years in 2021. This is in addition to a 1.8 year decline in 2020—and contrary to predictions that COVID vaccines could reverse this carnage.