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Originally Posted by Bill14564
Define "work."
Masks likely provide some level of effectiveness when used as a source control but less effectiveness when used to protect the wearer. Masks are less effective when not fitted properly even if worn over both nose and mouth. Masks are better than nothing but are not 100% effective.
Studies, expert's guidance, and anecdotal evidence are all over the map on this. Yes, I know, the studies that disagree with your position are flawed and the experts that disagree are quacks. The problem is, that statement applies equally to both sides of the argument.
Arguing that mask are worthless is foolish. Arguing that masks will save the world is foolish. Arguing that without masks we are all doomed is foolish.
Masks can help, if even a little bit, and are an important part of an overall strategy but that must also include avoiding high risk activities.
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Masks minimize the risk but they are more effective when people are distanced from each other. Sitting, shoulder to shoulder at a four top or six top, and worse yet, a 10 top in a restaurant with your closest friends is not a smart idea.