为什么我推全民戴口罩

burpeejump

burpeejump
健康&健美的探索和体验分享
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现在新冠病例还在继续攀升，戴口罩可以高效地切断新冠传播：

患者戴口罩-减低95%的传染
非患者戴口罩-保护作用70%
全民戴口罩-1.5%传染概率 （避免了98.5%的传染）

预防总是强于治疗，防患于未然。戴口罩虽然low-tech, low cost, 但是非常高效！

 

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