In this trial involving 29 healthcare facilities in 4 countries from May 2020 through April 2022, PCR-confirmed COVID infection occurred in approximately 10.5% of the mask group versus approximately 9.3% of the N95 group.
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In this trial involving 29 healthcare facilities in 4 countries from May 2020 through April 2022, PCR-confirmed COVID infection occurred in approximately 10.5% of the mask group versus approximately 9.3% of the N95 group.