Which respirator is used for airborne transmission precautions?

The N95 respirator is specifically designed for airborne transmission precautions due to its ability to filter out at least 95% of airborne particles, including small droplets that may contain viruses. This type of respirator forms a tight seal around the face, which is essential for protecting the wearer from inhaling harmful pathogens during airborne transmission events, such as those caused by diseases like tuberculosis or COVID-19.

In contrast, a standard surgical mask primarily serves to prevent the spread of respiratory droplets from the wearer to others rather than protecting the wearer from inhaling airborne pathogens. While it can reduce exposure to larger particles, it does not provide the same level of filtration as an N95 respirator.

Other options, such as disposable face shields and cloth masks, do not provide the necessary filtration or fit required for effective protection against airborne transmission. Face shields primarily protect the eyes and may reduce exposure to droplet transmission, but they do not adequately filter airborne particles. Cloth masks also offer limited protection, as their material and fit can vary widely, making them less effective against smaller airborne particles. Therefore, the N95 respirator remains the standard choice for situations where airborne precautions are necessary.