Jeff Kessel, Christopher S Saevig, W Cary Hill, Benjamin Kessel, Matthew S Hull
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Abstract
We 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 μm in diameter.
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