Moderna’s next step will be a 30,000-participant Phase 3 study set to start July 27, which will include South Florida facilities. Coronaviruscoronavirus immunitycoronavirus vaccineCOVID-19COVID19CreatesIMMUNEimmune systemIMMUNITYLocal TVMiami NewsModernaModerna Coronavirus VaccineMODERNA VACCINE'ResponseShowstrialvideoVITAMINvlogYouTube