Will wearing a mask help? The best answer for the moment: Quite possibly, yes, universal mask wearing might decrease asymptomatic and presymptomatic transmission of the disease. The evidence isn’t strong, solid, or crystal clear (it rarely is), but it might be better to err on the side of trying it. https://www.forbes.com/sites/tarahaelle/2020/04/01/should-everyone-wear-a-mask-in-public-maybe-but-its-complicated/