穿着面膜经常有助于人们感到受到保护和放心。但是,手术面罩可以让您免受暴露还是传递某些传染病?

而且,如果面部面具确实屏蔽了你的传染病,如新冠肺炎, is there a proper way to put them on, take them off, and discard them? Keep reading to find out.

A手术口罩是一种宽松的一次性掩模,是矩形的形状。面膜有弹性带或圆顶,可以在耳朵后面环绕或捆绑在头部后面以将其固定到位。金属条可以存在于掩模的顶部,并且可以夹紧以适合鼻子周围的面罩。

A properly worn three-ply surgical mask may help block transmission of large-particle microorganisms from droplets, sprays, splatters, and splashes. The mask may also reduce the likelihood ofhand-to-face contact.

The surgical mask’s three-ply layers work as follows:

  • 外层排斥水,血液和其他体液。
  • The middle layerfilters certain pathogens.
  • The inner layer吸收呼出空气的水分和汗水。

However, the edges of surgical masks don’t form a tight seal around your nose or mouth. Therefore, they can’t filter out small airborne particles such as those transmitted by coughing or sneezing.

The 世界卫生组织(世卫组织) 仅推荐使用外科口罩如果您的话:

  • 有一个发烧,咳嗽, 或其他呼吸系统症状
  • are well but caring for someone with a respiratory illness — in this case, wear a mask when you’re within 6 feet or closer to the person who is ill

虽然手术面具有助于捕获较大的呼吸液滴,但它无法保护您免受新的冠状病毒,称为SARS-COV-2。那是因为外科口罩:

  • 不要过滤掉小型空气颗粒
  • 不要紧紧贴在脸上,所以空中颗粒可以通过面具的侧面泄漏

Some studies have failed to show that surgical masks effectively prevent exposure to infectious diseases in community or public settings.

目前, Centers for Disease Control and Prevention (CDC) doesn’t recommend that the general public wear surgical masks or N95 respirators to protect from respiratory illnesses like COVID-19. Healthcare providers and first responders need these supplies, and there’s currently a shortage of them.

然而,在Covid-19的情况下,CDC确实建议公众佩戴布脸覆盖物以防止疾病的传播。CDC也是 provides instructions 关于如何制作自己的。

如果您需要佩戴手术面具,请采取以下步骤正确地放置一个。

一旦掩模安全地定位,需要注意的注意事项,以确保您不会将病原体转移到您的脸部或手中。

正确地拆下面罩,以确保您不要将任何细菌转移到手或脸部。您还要确保安全地丢弃面罩。

N95 respirators形成为脸部的尺寸和形状。因为它们更紧贴你的脸,所以空气颗粒围绕面膜侧面泄漏的机会较少。

N95S也可以滤除小型空气颗粒 more effectively .

有效N95的关键是确保它正确适合您的脸。提供直接患者护理的医疗保健从业人员进行健康测试annually通过合格的专业人士确保他们的N95紧紧抱怨他们。

A properly fitted N95 respirator usually filtrates pathogens in the air much better than a surgical mask. Respirators that have been carefully tested and certified to carry the N95 designation can block up to 95% of tiny (0.3 micron) test particles. But they also have their limitations.

However, the 食品和药物管理局(FDA) 不建议一般公众使用N95呼吸器保护自己免受Covid-19等呼吸系统疾病。如果没有舒适的佩戴,它们无法过滤出造成疾病的小型空气颗粒。

根据FDA,预防感染的最佳方法是避免暴露于病毒。它建议练习社会偏差和频繁的洗手。

结果的结果 2016 systematic review 在医疗工作者使用时,N95呼吸器和手术口罩之间发现没有显着差异,以防止在临床环境中传播急性呼吸道感染。

A recent2019年随机临床试验published in the journal JAMA supported these findings.

如果您有呼吸疾病,最大限度地减少传输的最佳方式是避免别人。如果您想避免承包病毒,同样适用。

To reduce your risk of transmitting the virus, or coming into contact with it, the WHO 建议以下内容:

  • 练习良好的手工卫生一次用肥皂和水洗手,一次至少20秒。
  • 使用消毒洗手液至少包含 60%的酒精 if you don’t have access to soap and water.
  • 避免触摸你的脸,嘴和眼睛。
  • 保持安全距离from others. The 疾病预防控制中心 建议至少6英尺。
  • 避免公共场所until you recover fully.
  • 呆在家里和休息。

手术口罩可以防止较大的空气颗粒,而N95呼吸器可更好地保护较小的颗粒。

正确地打开并脱掉这些面罩可能有助于保护您和您周围的人的健康传播或收缩病原体。

Although face masks may help reduce the spread of some disease-causing organisms, evidence suggests that using face masks may not always protect you or others from exposure to certain pathogens.

用西班牙语阅读本文。