Since the WHO and the CDC have both flipped on masks, it pays to research the underlying science. Wearing a standard mask may only protect everyone else from a sick [in most cases, with symptoms] person. The wearer will barely benefit if at all. If the wearer is not sick, there is really no point. If the wearer is wearing an N95 mask properly fit, they can protect themselves from other sick people as well. If they are not showing symptoms, and neither are the people around them, there is really no point.
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