Moderna’s 30,000-participant Phase 3 COVID-19 vaccine trial kicks off in the U.S.

The largest trial yet for a potential COVID-19 vaccine began on Monday, as drug company Moderna began providing the first of an anticipated 30,000 volunteers with shots of its candidates. This is a blind trial, wherein some participants will get the vaccine and some will get placebos. Each participant will get two does, and researchers […]