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Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021 | MMWR
Trends in County-Level COVID-19 Incidence in Counties With and Without a Mask Mandate — Kansas, June 1–August 23, 2020 | MMWR
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The Difference Between N95s, Surgical Masks and Cloth Masks - Bench Press
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Get the Most Out of Masking
Costs vs. benefits of COVID-19 lockdowns and mask mandates revealed in new research | The University of Kansas
Efficacy of masks and face coverings in controlling outward aerosol particle emission from expiratory activities | Scientific Reports
![Optical microscopic study of surface morphology and filtering efficiency of face masks [PeerJ]](https://dfzljdn9uc3pi.cloudfront.net/2019/7142/1/fig-1-2x.jpg "Optical microscopic study of surface morphology and filtering efficiency of face masks [PeerJ]")
Optical microscopic study of surface morphology and filtering efficiency of face masks [PeerJ]
Education and Training Concerning Masks and Respirators for Construction Workers | Blogs | CDC
Face shields vs. face masks: Which is better? | CTV News
N95 vs. KN95 Masks: What's the Difference? | ANCOR
Face masks and respirators in the fight against the COVID-19 pandemic: An overview of the standards and testing methods - ScienceDirect
Medical mask versus cotton mask for preventing respiratory droplet transmission in micro environments - ScienceDirect
Reusability Comparison of Melt-Blown vs Nanofiber Face Mask Filters for Use in the Coronavirus Pandemic | ACS Applied Nano Materials
