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 E-Mail IMAGE: Poorly fitting face masks can greatly increase the risk of airborne infection such as COVID-19, according to researchers with the University of Cincinnati. Here UC grad student Shreyash Manegaonkar examines. view more  Credit: Ravenna Rutledge/UC Creative Even the best face masks work only as well as their fit. And poorly fitting face masks greatly increase the risk of infection from airborne pathogens compared to custom-fitted masks, according to a new study by the University of Cincinnati. Researchers in UC s College of Engineering and Applied Science used computerized tomography or CT scans of three different-sized face masks attached to three different-sized dummy heads to measure the gaps between the face and the fabric. Then they calculated the leaks from these gaps to determine the infection risk. 

United statesRupak banerjeeNeha sharmaPrasanna hariharanGavin dsouzaDrug administration division of applied mechanicsNational institute for occupational safetyUniversity of cincinnatiUc college of engineeringApplied scienceDrug administrationNational instituteOccupational safetyAmerican societyMechanical engineering journalMedical devices