Also remember about 620,000 people in the US have died from Covid [1]. That's a lot of people no longer in the workforce.
[1]: https://covid.cdc.gov/covid-data-tracker/#cases_totaldeaths
[1]: https://covid.cdc.gov/covid-data-tracker/#cases_totaldeaths
No, 80% of them were 65 and older.
For people who are 65 this year, full retirement age (as defined by Social Security) is 66 years, 4 months.
And lots of people aren't able, financially, to retire ar “full" retirement age.
Many people who are retired can't financially afford to retire, but are more willing to make changes in their consumption habits than go back to work.
30% of deaths are from 85+, 27% for ages 75-84, 21% for ages 65-74
Source: same site as you https://covid.cdc.gov/covid-data-tracker/#demographics