News Release

Filtration efficiency of hospital face mask alternatives during COVID-19 pandemic

Peer-Reviewed Publication

JAMA Network

What The Study Did: Researchers performed a series of FFE (fitted filtration efficiency) evaluations for a wide range of 29 respirators and face masks used by health care facilities, including expired N95 respirators, N95 respirators that have undergone sterilization, imported respirators approved by the U.S. Centers for Disease Control and Prevention, respirators not listed as approved, and surgical or procedure masks with ties and ear loops in this quality-improvement study.

Authors: Emily E. Sickbert-Bennett, Ph.D., M.S., of  UNC Health Care in Chapel Hill, North Carolina, is the corresponding author.

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Editor's Note: The article includes conflict of interest and funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflicts of interest and financial disclosures, and funding and support.


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