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During the early stages of the COVID-19 pandemic, a research team went looking for and found a way to make standard surgical masks better at keeping out small airborne droplets that might contain the SARS-CoV-2 virus.
During the early stages of the COVID-19 pandemic, a research team went looking for and found a way to make standard surgical masks better at keeping out small airborne droplets that might contain the SARS-CoV-2 virus.