LTCF long-term care facility

MAUDE Manufacturer and User Facility Device Experience

MUC maximum use concentration

NIOSH National Institute for Occupational Safety and Health

NPPTL National Personal Protective Technology Laboratory

OR odds ratio

OSHA Occupational Safety and Health Administration

PAPR powered air-purifying respirator1

PMA pre-market approval

PPE personal protective equipment

RR relative risk

RSV respiratory syncytial virus

SARS severe acute respiratory syndrome

SCBA self-contained breathing apparatus

SWPF simulated workplace protection factor

TIL total inward leakage

UL Underwriters Laboratories

VPP Voluntary Protection Program

WHO World Health Organization

WPF workplace protection factor


In this report the term is used to refer to loose-fitting devices unless otherwise specified.

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