The Biggest mRNA Winner: Pfizer, BioNTech, Moderna, or an Under-the-Radar Biotech?

Messenger RNA (mRNA) vaccines have transformed the fight against COVID-19 thanks to the success achieved by Pfizer (NYSE: PFE), BioNTech (NASDAQ: BNTX), and Moderna (NASDAQ: MRNA). In this Motley Fool Live video recorded on April 14, 2021, Motley Fool contributors Keith Speights and Brian Orelli discuss which company -- whether one of these well-known players or an under-the-radar biotech -- is poised to be the biggest mRNA winner.