Will Regeneron's COVID Cocktail Win Be Short-Lived?

Regeneron Pharmaceuticals (NASDAQ:REGN) recently racked up a couple of additional successes with late-stage studies of its COVID-19 antibody cocktail REGEN-COV. In this Motley Fool Live video recorded on April 14, 2021, Motley Fool contributors Keith Speights and Brian Orelli discuss whether the biotech's COVID cocktail win will only be short-lived.