U.S. to buy 1.4 mln additional doses of Regeneron's COVID-19 therapy

Regeneron Pharmaceuticals Inc said on Tuesday the U.S. government will buy 1.4 million additional doses of its COVID-19 antibody cocktail, REGEN-COV. The cocktail, a combination of antibodies casirivimab and imdevimab, was authorized in November for emergency use by the U.S. Food and Drug Administration.