What is the minimum respiratory protection required for airborne precautions?

The minimum respiratory protection required for airborne precautions is an N-95 respirator. Airborne precautions are implemented to protect healthcare workers and others from pathogens that are transmitted through small respiratory droplets, which can remain suspended in the air for extended periods and can be inhaled by individuals nearby. N-95 respirators are designed to filter out at least 95% of particulate matter, including viruses and bacteria, thus providing a reliable level of protection against these airborne pathogens.

Using a surgical mask or a regular mask does not provide the necessary filtration for airborne diseases, as these types of masks are not designed to fit snugly on the face and do not filter out smaller particles effectively. A powered air-purifying respirator (PAPR) offers a higher level of protection but is generally used in more specialized situations or for specific procedures rather than as the minimum requirement for airborne precautions. The N-95 respirator strikes the right balance, ensuring adequate protection for healthcare professionals when dealing with airborne infectious agents.