Kessel, JeffSaevig, Christopher S.Hill, W. CaryKessel, BenjaminHull, Matthew S.2022-07-192022-07-192022-030046-9580469580221087837http://hdl.handle.net/10919/111293We describe an approach used by a rural healthcare provider to convert surgical helmets into emergency powered air-purifying respirators (PAPRs) at the onset of the COVID-19 pandemic. The approach uses common materials and efficacy was demonstrated against aerosols measuring 7 nm to 25 mu m in diameter.application/pdfenCreative Commons Attribution-NonCommercial 4.0 InternationalaerosolsCOVID-19head protective deviceshealthcarehealth personnelinfection controlintubationnanoparticlepandemicspowered air-purifying respiratorsrespiratory protective devicessurgical helmetArticle - Refereedhttps://doi.org/10.1177/0046958022108783759353413531945-7243