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提醒下各位春运期间注意防范流感
source link: https://www.v2ex.com/t/638994
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分享发现 - @ampedee - 经常坐过长途火车之后就感冒，打算这次全程戴防 PM2.5 的口罩，不知道是否有用，话说高铁车厢内部的空气循环系统应该能防止感冒病毒通过飞沫传播吧？这次武汉的肺炎都传到国外了，国内其他省份好像还
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