The number of Americans who will receive a shot, either placebo or an experimental COVID-19 vaccine that was created by the U.S. government, for the largest COVID-19 vaccine trial yet.
The number of Americans who will receive a shot, either placebo or an experimental COVID-19 vaccine that was created by the U.S. government, for the largest COVID-19 vaccine trial yet. (AP News — July 27, 2020)
