Questions about whether the political calendar in an election year holds sway over the search for a COVID-19 vaccine hung over Gen. Gustave Perna's confirmation hearing to lead that effort.
Copyright 2020 NPR
Questions about whether the political calendar in an election year holds sway over the search for a COVID-19 vaccine hung over Gen. Gustave Perna's confirmation hearing to lead that effort.
Copyright 2020 NPR