This report describes experiments conducted by CDC to assess two ways of improving the fit of medical procedure masks.
Face mask fit modifications that improve source control performance
Personal protective equipment in GI endoscopy - iGIE
Filtration efficiency of makeshift material masks vs . surgical/procedure masks and/or filtering facepiece respirators: a narrative review - Louie - Journal of Public Health and Emergency
PDF) Maximizing Fit for Cloth and Medical Procedure Masks to Improve Performance and Reduce SARS-CoV-2 Transmission and Exposure, 2021
Epidemiologia, Free Full-Text
Fluids, Free Full-Text
Effectiveness of different types of mask in aerosol dispersion in SARS-CoV-2 infection - ScienceDirect
Mean cumulative exposure* for various combinations of no mask, double
The face behind the Covid-19 mask — A comprehensive review - ScienceDirect
Performance Comparison of Single and Double Masks: Filtration Efficiencies, Breathing Resistance and CO2 Content
Face masks during the COVID-19 pandemic - Wikipedia
Adverse Effects of COVID-19 and Face Masks: A Systematic Review, JCAD
COVID-19 false dichotomies and a comprehensive review of the evidence regarding public health, COVID-19 symptomatology, SARS-CoV-2 transmission, mask wearing, and reinfection, BMC Infectious Diseases
The Ultra fit community mask—Toward maximal respiratory protection