Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Exposing contaminated N95 respirators to vaporized hydrogen peroxide (VHP) or ultraviolet (UV) ...
Peter Tsai, a retired University of Tennessee professor who helped create the N95 mask, has gotten back to work in recent weeks with a singular goal -- finding the best way to safely reuse the mask.
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