More than half of U.S. adults are fully vaccinated, as Memorial Day air travel reaches pre-pandemic levels
June 01, 2021 at 12:27 PM EDT
With new daily cases of the coronavirus that causes COVID-19 dropping in the U.S. to the lowest levels seen in over a year, and with more than half of Americans having been fully vaccinated, there was a sense of a return to normalcy as the number of travelers over the Memorial Day weekend reached pre-pandemic levels.