Researchers examined the efficiency of surgical masks, fabric masks, N95 respirators, and KN95 respirators in lowering the SARS-CoV-2 viral loads in the exhaled breath aerosol samples of COVID-19 patients.
Researchers examined the efficiency of surgical masks, fabric masks, N95 respirators, and KN95 respirators in lowering the SARS-CoV-2 viral loads in the exhaled breath aerosol samples of COVID-19 patients.