Face mask fit modifications that improve source control performance

• DOI: 10.1016/j.ajic.2021.10.041
• Publication Date: 2021-12-16T07:26:33Z
• Authors: Francoise M. Blac...; Angela R. Lemons; Jayme P. Coyle; Raymond C. Derk; William G. Lindsley; Donald H. Beezhold; Karen Woodfork; Matthew G. Duling; Brenda Boutin; Theresa Boots; James R. Harris; Tim Nurkiewicz; John D. Noti
• Keywords: Face masks; 2019-20 coronavirus outbreak

During the COVID-19 pandemic, face masks are used as source control devices to reduce expulsion of respiratory aerosols from infected people. Modifications such mask braces, earloop straps, knotting and tucking, double masking have been proposed improve fit however data on limited.