New study shows effectiveness of different face masks
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New study shows effectiveness of different face masks
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Do face masks work?
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27K views · 350 reactions | SHIELDS VS. MASKS: A new study is raising questions about just how effective plastic face shields are in stopping the spread of the coronavirus, with researchers finding a regular cloth or medical mask may provide a better defense. Tom Llamas reports. https://abcn.ws/3hUhb2M | ABC World News Tonight with David Muir | Facebook
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