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Filter could curb airborne spread of COVID-19 virus
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Filter could curb airborne spread of COVID-19 virus

by Holly Ober,  University of California – Riverside Left: A nanofiber filter that captures 99.9% of coronavirus aerosols; Right: A highly magnified image of the polymer nanofibers. Credit: Yun Shen A filter made from polymer nano threads blew three kinds of commercial masks out of the water by capturing 99.9% of coronavirus aerosols in an experiment....