这样戴口罩才能远离病毒，你做对了吗？_风闻

解读中国工作室推荐的系列短视频节目《你不了解的科学防疫知识》，今日同时推出第十集：《口罩，你戴对了吗？》。

▲《你不了解的科学防疫知识》第10集：

《口罩，你戴对了吗？》

随着新冠肺炎疫情蔓延，能够有效阻止病毒随飞沫传播的口罩成为抢手货。在药店排队几小时抢购到口罩，小心翼翼分发给家人，最后一步就是戴上口罩。然而戴口罩这个看似简单的动作，你真的做对了吗？

一、如何选择合适的口罩

市面上比较常见的纸口罩、棉布口罩，大多用于防尘或保温，由于材质本身不够致密，无法阻断病毒传播。预防病毒感染需要佩戴专业的口罩：医用外科口罩，N95口罩、KN95口罩或更高级别的口罩。

Paper and cotton masks found common on market are produced to prevent dust or heat, which means materials of these masks are not dense enough to block out the virus. Preventing virus infection requires professional mask including: surgcal masks, N95 masks, KN95 masks orhigher level ones.

二、正确佩戴口罩

不少人随手拿起口罩就戴上，其实戴口罩前后都要清洁双手，避免污染口罩。分清口罩正反上下，有色一面朝外，有鼻夹的一侧朝上。戴上后要将折面完全展开，将口、鼻和下巴完全包住；沿鼻梁按紧鼻夹，防止病菌从空隙渗入。长时间佩戴口罩后，口罩吸水层受潮，容易滋生细菌，要及时更换。

Many people put on their masks casually. In order to avoid the contamination of masks, however, we should clean hands properly before wearing. We should identify the top/bottom, inside/outside of the mask: the colored side should face outwards, and the nose clip is on the top side. After putting on, fully unfold the mask to cover mouth, nose and jaw completely. Then bend in the nose clip over the nose bridge to stay airtight.

三、摘口罩也需要注意

摘口罩也有讲究，脱下口罩前要清洁双手；脱下绑带式口罩时，应先解开颈后的绑带， 然后解开头顶的绑带；脱下挂耳式的口罩时，把口罩的橡筋从双耳除下，尽量避免触摸口罩向外部分，因为这一面可能已沾染病菌。丢弃脱下的口罩后，也要记得洗手。

Remove the mask carefully. Before removing your mask, you need to wash your hands. Forface masks with ties: untie the strap round your neck first, then untie the onearound your head. For face masks with ear loops: remove the elastic band from your ears and avoid touching the outside layer, which may contain virus and bacteria. Remember to wash hands  again after disposing masks.

四、废弃口罩不乱丢

凡在医疗机构中使用过的口罩，都直接投入医疗废物垃圾袋中；市民用过的口罩放入废弃口罩专用桶。

Masks used in medical institutions should be put into the medical waste bags. Masks used by citizens should be putinto an exclusive trash bin for discarded masks.