A practical PPE decontamination method using warm air and ambient humidity
Kwiek, J. J.; Pickett, C. R.; Flanigan, C. A.; Lee, M. V.; Saif, L. J.; Jahnes, J.; Blonder, G.
Show abstract
Despite a year-and-a-half of Sars-CoV-2 pandemic experience, personal protective equipment (PPE) remains in short supply1. Current decontamination methods are complex, slow, expensive and particularly ill-suited for low to middle income nations where the need is greatest. We propose a low temperature, ambient humidity decontamination method (WASP-D) based on the thirty minute or less half-life of Sars-CoV-2 (and other common pathogens) at temperatures above 45{degrees}C, combined with the observation that most PPE are designed to be safely transported and stored at temperatures below 50{degrees}C. Decontamination at 12 hours, 46{degrees}C (115{degrees}F) and ambient humidity should consistently reduce SARS-CoV-2 viral load by a factor of 106, without negatively affecting PPE materials or performance.
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