virus and want to remain safe, and others are at peace with their risk but want some guidance on how to be a good citizen — or at least be perceived as one.There have been reasonably convincing studies showing that masks stop some of the particles that might carry the virus out of people’s mouths.
That suggests masks’ potential to protect others. Then there are observational studies, which look at mask use in the real world.On June 1, The Lancet published an analysis of 172 such studies, many of them done in health care settings.
The authors concluded that mask-wearing combined with eye protection and social distancing could cut down on the spread of the virus, though the authors admitted to a high degree of uncertainty.Another study came.