On Jul. 6, 2020, Regeneron announced initiation of late-stage clinical trials evaluating REGN-COV2, Regeneron’s investigational double antibody cocktail for the treatment and prevention of COVID-19. A Phase 3 trial will evaluate REGN-COV2’s ability to prevent infection among uninfected people who have had close exposure to a COVID-19 patient, and is being run jointly with the National Institute of Allergy and Infectious Diseases.