Business Moderna trial investigator says vaccinating U.S. against Covid will be a ‘major effort’ By Soumyadeep Pal - November 17, 2020 0 Share FacebookTwitterPinterestWhatsAppLinkedinReddItTelegramTumblrDiggFlipNaverEmailPrint Moderna Covid trial investigator: Vaccinating U.S. is a major effort Search quotes, news & videos