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There are different masks on the market: the N95s which are approved by the US government; KF94, approved by South Korea; and KN95, approved by China. Here are five ways to spot fake US government-approved masks. .
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Sources 2/ https://www.nbcchicago.com/news/coronavirus/5-ways-to-spot-fake-n95-masks/2729648/ The mention sources can contact us to remove/changing this article |
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