A wealth of new COVID-19 tests could soon help states more broadly track people in schools, dense workplaces and vulnerable populations.
In October, the supply of rapid-result COVID-19 tests, also known as antigen tests, shot up to more than 150 million — six times the number of tests of any kind performed in August and 10 million more than the total number performed in the United States since the pandemic began, according to the COVID Tracking Project, a volunteer-run organization begun by The Atlantic.
