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COVID-19 rapid evidence profile #28: What is the filtration performance of KN95 masks compared to surgical and N95 masks, and how can their use be optimized in hospital settings? 129

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COVID-19 rapid evidence profile #28: What is the filtration performance of KN95 masks compared to surgical and N95 masks, and how can their use be optimized in hospital settings? 47 42 11 9 2 18 0

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covid-19-rep-28_kn95-mask-use-in-hospitals_2_appendices_2022-01-10_final.pdf 15
covid-19-rep-28_kn95-mask-use-in-hospitals_1_report_2022-01-10_final.pdf 14

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