When a respirator has been approved by NIOSH, the user can be confident that the device will provide the expected level of protection, as long as it fits properly and is worn correctly. But when serious outbreak conditions cause a shortage of the NIOSH-approved filtering facepiece respirators (FFRs), other reliable options must be found. When possible, NIOSH recommends the use of reusable elastomeric respirators and powered air-purifying respirators (PAPRs) as alternatives to FFRs. However, when a healthcare facility still needs additional FFRs, employers should understand the additional options that the CDC and FDA have determined are appropriate to protect healthcare
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