Quote:
Originally Posted by Velvet
Yes, to prevent moisture escaping our mouths while breathing, talking or singing, if one is exercising near people. Studies show the louder noise we make from our mouths the further the droplets go. The mask also protects you from someone suddenly sneezing etc as you go by. And respiratory microdroplets can stay in the air for up to several hours. I wear my full face helmet while riding myself. At home on the treadmill I don’t wear a mask.
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Such microdroplets dissipate in seconds with the slightest breeze, and UV from sunlight quickly kills the virus in those droplets. If I were walking or biking with a friend I think I would wear a mask, but not by myself. It’s sort of like smoking. If you are face to face with people, they can definitely smell it. In the same car, yes. In the same room, yes. Outside, probably not much if the people are just walking by. Multiple lungfuls of contaminated air are more likely to share the virus than a distant whiff.