> No problem you would say, except for the fact that they constantly had to keep their hand in front of their mouth to keep the scarf up. Given the choice, I p

> No problem you would say, except for the fact that they constantly had to keep their hand in front of their mouth to keep the scarf up. Given the choice, I pretty much prefer that over the scenario where they carry the virus and freely spread it into the environment by having zero filters between their airways and the world. Scarves over the mouth and nose are not a panacea. They are a way to mitigate the problem. Counterpoint: I've seen policemen wearing masks on their chin instead of their mouth and nose.