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'The effect is greatest when 100% of the public wear face masks': Growing body of research shows the role of face coverings in curbing the spread of the coronavirus

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'The effect is greatest when 100% of the public wear face masks': Growing body of research shows the role of face coverings in curbing the spread of the coronavirus
    submitted by /u/roku44
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    from World News https://ift.tt/2XYKnOv

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