COMMENTARY: What can masks do? Part 2: What makes for a good mask study — and why most fail

Lisa M Brosseau, ScD; Angela Ulrich, PhD, MPH; Kevin Escandón, MD; Cory Anderson, MPH; and Michael T. Osterholm, PhD, MPHOct 15, 2021Experts detail the necessary elements of a rigorous mask study and explore some recent studies that, though highly touted by both scientists and the lay press, fell quite a bit short.Read More