大声说话一分钟可以产生超过1000滴含有严重急性呼吸综合征冠状病毒2(SARS-CoV-2)的飞沫,并在封闭及空气不流通的空间停留8至14分钟。
根据新冠肺炎死亡病例研究委员会主席拿督李国忠转载一名英国皇家公共卫生学会疫苗学家梅尔文沙尼卡斯(Melvin Sanicas)的推文说,根据科学家使用镭射研究显示,只需要一分钟的大声说话,就可以产生超过1000滴含有SARS-CoV-2的飞沫。
李国忠接着发推文:“大声说话、喊叫及唱歌会增加飞沫的散布,口罩在封闭的空间有帮助。”
较早时,李国忠也转推有关猫与猫之间可传染冠病的消息,并质疑人类会否透过猫把冠病传给人类?
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