Moderna's Vaccine Candidate Heads To Testing In Up To 30,000 People : Coronavirus Live Updates

A COVID-19 vaccine candidate developed by the US company Moderna and the National Institutes of Health starts its final phase of testing today. It's one of a handful of candidates to reach this stage.

A COVID-19 vaccine candidate developed by the US company Moderna and the National Institutes of Health starts its final phase of testing today. It's one of a handful of candidates to reach this stage.