Part 5/16:
Mask Usage: Efficacy, Missteps, and Cultural Shift
A significant portion of the discussion delves into mask-wearing—its mechanisms, effectiveness, and public perception. Christakis explains that masks primarily prevent viral droplets—akin to plugging a fire hose—by stopping the larger particles expelled when exhaling. He underscores that "masks are extremely effective at stopping droplets," and even homemade masks significantly reduce transmission.