'On Saturday, we hit a record of 2.9 million vaccinations in one day in America, he said. He said the nation hit a record Saturday with 2.9 million doses – but that included multiple days' worth of shotsThe government's Centers for Disease Control and Prevention reported that 2.9 million doses were recorded Saturday. The most productive day for vaccinations was Feb. 26, when 2.8 million doses were administered. The CDC says 61% of people over 64 have received at least one dose – but only 31% are fully vaccinated. In all cases, it takes two weeks to build immunity after being fully vaccinated.

Source: Daily Mail March 11, 2021 14:22 UTC