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Masks with valves are USELESS at stopping spread of coronavirus
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News 13 tested three types, paper, cloth and a N-95 to see how well the masks protect against the spread of respiratory droplets, which can contain bacteria and the coronavirus. https://bit.ly/3gxtdxT | WLOS ABC 13
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Take a look look at how N-95 masks work, and why masks with valves won’t help contain the spread of coronavirus. #IndiaFightsCOVID19 Read more: https://www.news18.com/news/india/govt-warns-against-use-of-n-95-masks-with-valved-respirator-2725677.html?utm_source=telegram&utm_medium=social | News18
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