Coronavirus Update: Regeneron's New Antibody Efficacy; Pfizer And Merck Strike US Contracts

Regeneron's antibody cocktail prevented deaths and mechanical ventilation in hospitalized patients on low-flow oxygen. Also, Pfizer and BioNTech will supply an additional 100m doses of the companies' COVID-19 vaccine to the US government for $1.95bn, while Merck & Co signed a contract for its COVID-19 treatment MK-7110.