Am J Infect Control
February 2023
Background: We analyzed the qualitative fit test results of the filtering facepiece respirators (FFRs) used at our institution to determine their performance and utility.
Methods: We retrospectively analyzed 12,582 qualitative fit testing results for several FFR models among 8,809 health care workers (HCWs).
Results: The overall failure rate for HCWs was 15.