The world hit a grim milestone on Monday, with COVID-19 cases surpassing a quarter of a billion worldwide. As cases increase, the fight to beat the virus continues as well, with a number of medical breakthroughs coming out over the last few months in the form of pills from Pfizer and Merck. Regeneron is now the latest company to join the fight, recently releasing new data on a covid antibody cocktail. Professor Peter Pitts, former FDA Associate Commissioner and the founder of the Center for Medicine in the Public Interest breaks down the differences between the 3 treatments and why vaccines are still among the fire line of defense.
