112 Studies and Articles Undercutting Utility of Masks for Stopping Covid

Summary	Date	Source
Uptake and effectiveness of facemask against respiratory infections at mass gatherings: a systematic review		National Library of Medicine
Masks have not been proved efficient enough to warrant compulsory application for the checking of epidemics	01/01/1920	American Journal of Public Health
Face seal leakage of half masks and surgical masks	06/01/1985	NIH National Library of Medicine
Surgical face masks in modern operating rooms--a costly and unnecessary ritual?	07/18/1991	NIH National Library of Medicine
Aerosol penetration through surgical masks	08/20/1992	NIH National Library of Medicine
Aerosol penetration and leakage characteristics of masks used in the health care industry	08/21/1993	NIH National Library of Medicine
An empirical and theoretical investigation into the psychological effects of wearing a mask	01/01/1999	https://strathprints.strath.ac.uk/43402/
The physiological impact of wearing an N95 mask during hemodialysis as a precaution against SARS in patients with end-stage renal disease	08/10/2004	NIH National Library of Medicine
Disposable surgical face masks: a systematic review	09/23/2005	NIH National Library of Medicine
Headaches and the N95 face-mask amongst healthcare providers	03/11/2006	NIH National Library of Medicine
Study of Hong Kong preschoolers during 2003 SARS outbreak found masking resulted in decreased socializing	06/01/2006	International Journal of Early Childhood
Respiratory performance offered by N95 respirators and surgical masks: human subject evaluation with NaCl aerosol representing bacterial and viral particle size range	03/07/2008	NIH National Library of Medicine
Preliminary Findings of a Randomized Trial of Non-Pharmaceutical Interventions to Prevent Influenza Transmission in Households	05/07/2008	National Library of Medicine
Study finds prolonged mask wearing increases heart rate, reduces blood oxygen	11/19/2008	Scientific Electronic Library Online
Randomly controlled trial finds masks do not stop transmission of respiratory viruses	02/01/2009	National Library of Medicine
Use of surgical face masks to reduce the incidence of the common cold among health care workers in Japan: a randomized controlled trial	02/12/2009	NIH National Library of Medicine
Use of surgical face masks to reduce the incidence of the common cold among health care workers in Japan: a randomized controlled trial	02/12/2009	NIH National Library of Medicine
Facemasks and hand hygiene to prevent influenza transmission in households: a cluster randomized trial	10/06/2009	National Library of Medicine
Face masks to prevent transmission of influenza virus: a systematic review	01/22/2010	Cambridge University Press
Mask use, hand hygiene, and seasonal influenza-like illness among young adults: a randomized intervention trial	02/15/2010	National Library of Medicine
Impact of Non-Pharmaceutical Interventions on URIs and Influenza in Crowded, Urban Households	03/31/2010	National Library of Medicine
Physiological impact of the N95 filtering facepiece respirator on healthcare workers	05/01/2010	NIH National Library of Medicine
Simple respiratory protection--evaluation of the filtration performance of cloth masks and common fabric materials against 20-1000 nm size particles	06/28/2010	NIH National Library of Medicine
Findings from a household randomized controlled trial of hand washing and face masks to reduce influenza transmission in Bangkok, Thailand	07/05/2011	National Library of Medicine
Facemasks, hand hygiene, and influenza among young adults: a randomized intervention trial	01/25/2012	National Library of Medicine
The role of facemasks and hand hygiene in the prevention of influenza transmission in households: results from a cluster randomised trial; Berlin, Germany, 2009-2011	01/26/2012	National Library of Medicine
Testing the efficacy of homemade masks: would they protect in an influenza pandemic?	08/07/2013	NIH National Library of Medicine
A cluster randomised trial of cloth masks compared with medical masks in healthcare workers	04/22/2015	NIH National Library of Medicine
Respiratory consequences of N95-type Mask usage in pregnant healthcare workers-a controlled clinical study	11/16/2015	NIH National Library of Medicine
Disposable surgical face masks for preventing surgical wound infection in clean surgery	04/26/2016	NIH National Library of Medicine
Effectiveness of N95 respirators versus surgical masks in protecting health care workers from acute respiratory infection: a systematic review and meta-analysis	05/17/2016	CMAJ Canadian Medical Association Journal
Cluster randomised controlled trial to examine medical mask use as source control for people with respiratory illness	12/30/2016	National Library of Medicine
Nonpharmaceutical Measures for Pandemic Influenza in Nonhealthcare Settings-Personal Protective and Environmental Measures	05/01/2017	NIH National Library of Medicine
Evaluating the efficacy of cloth facemasks in reducing particulate matter exposure	05/27/2017	NIH National Library of Medicine
Effectiveness of Masks and Respirators Against Respiratory Infections in Healthcare Workers: A Systematic Review and Meta-Analysis	08/07/2017	Oxford Academic
Effectiveness of personal protective measures in reducing pandemic influenza transmission: A systematic review and meta-analysis	09/01/2017	ScienceDirect
Comparison of the Filter Efficiency of Medical Nonwoven Fabrics against Three Different Microbe Aerosols	06/23/2018	NIH National Library of Medicine
N95 Respirators vs Medical Masks for Preventing Influenza Among Health Care Personnel A Randomized Clinical Trial	09/03/2019	Jama Network
Virus interactions with bacteria: Partners in the infectious dance	02/11/2020	PLOS PATHOGENS
Wearing a face mask could put you at greater risk for coronavirus.	03/01/2020	Sacramento Bee
Improper use of medical masks can cause infections	03/15/2020	Anadolu Agency
Surgeon general: Data doesn't back up wearing masks in public amid coronavirus pandemic	03/31/2020	Fox News
WHO says there is no need for healthy people to wear face masks, days after the CDC told all Americans to cover their faces	04/07/2020	Business Insider
The Face Mask Debate Reveals a Scientific Double Standard	04/08/2020	Wired
Facial protection for healthcare workers during pandemics: a scoping review	05/05/2020	NIH National Library of Medicine
Two boys drop dead in China while wearing masks during gym class	05/06/2020	New York Post
Headaches Associated With Personal Protective Equipment - A Cross-Sectional Study Among Frontline Healthcare Workers During COVID-19	05/06/2020	NIH National Library of Medicine
Assessment of Proficiency of N95 Mask Donning Among the General Public in Singapore	05/20/2020	Jama Network
Masks offer little if any, protection from infection	05/21/2020	New England Journal of Medicine
Universal Masking in Hospitals in the Covid-19 Era	05/21/2020	The New England Journal of Medicine
Study authors admit masks mostly used as 'symbolism'	05/21/2020	New England Journal of Medicine
Scientific Information on Masks Against COVID-19	06/07/2020	Lockdown Sceptics
Adolescents’ face mask usage and contact transmission in novel Coronavirus	06/08/2020	Journal of Public Health Research
The adverse skin reactions of health care workers using personal protective equipment for COVID-19	06/12/2020	Journals Medicine
Can the Elastic of Surgical Face Masks Stimulate Ear Protrusion in Children?	06/18/2020	NIH National Library of Medicine
"Exercise with facemask; Are we handling a devil's sword?" - A physiological hypothesis	06/22/2020	NIH National Library of Medicine
"Exercise with facemask; Are we handling a devil's sword?" - A physiological hypothesis	06/22/2020	NIH National Library of Medicine
Visualizing the effectiveness of face masks in obstructing respiratory jets	06/30/2020	AIP Physics of Fluids
Masks for prevention of viral respiratory infections among health care workers and the public: PEER umbrella systematic review	07/01/2020	NIH National Library of Medicine
Masks for prevention of viral respiratory infections among health care workers and the public: PEER umbrella systematic review	07/01/2020	NIH National Library of Medicine
Modeling of the Transmission of Coronaviruses, Measles Virus, Influenza Virus, Mycobacterium tuberculosis, and Legionella pneumophila in Dental Clinics	07/02/2020	NIH National Library of Medicine
Effects of surgical and FFP2/N95 face masks on cardiopulmonary exercise capacity	07/06/2020	Springer Link
Masking lack of evidence with politics	07/23/2020	The Centre for Evidence-Based Medicine
Mask mandates may affect a child’s emotional, intellectual development	07/23/2020	Wishtv.com8
Does Universal Mask Wearing Decrease or Increase the Spread of COVID-19?	07/25/2020	Watts Up With That?
Norway Does a Mask-Wearing Review, Guess What the Result Was	07/28/2020	Healthy Skeptic
An Overview on the Role of Relative Humidity in Airborne Transmission of SARS-CoV-2 in Indoor Environments	07/28/2020	AAQR
Your Mask May Be Causing Candida Growth in Your Mouth	08/04/2020	Everyday health
‘Mask mouth’ is a seriously stinky side effect of wearing masks	08/05/2020	New York Post
Europe's Top Health Officials Say Masks Aren't Helpful in Beating COVID-19	08/06/2020	Foundation for Economic Education
The Ontario arbitration fight about masks	08/07/2020	Twitter
COVID-19: Face Masks and People with Disabilities	08/13/2020	DRC Disability Rights California
If Masks Work, Why Don’t They WORK?	09/14/2020	Townhall
Surgical mask wearing among individuals in non-healthcare settings is not significantly associated with reduction in acute respiratory illness incidence in this meta-review	09/20/2020	Frontiers in Medicine
Andy Biggs rips mask narrative after CDC report shows 85% of symptomatic people 'often' or 'always' wore masks	10/12/2020	Washington Examiner
Facemask against viral respiratory infections among Hajj pilgrims: A challenging cluster-randomized trial	10/13/2020	PLOS ONE
Particle removal from air by face masks made from Sterilization Wraps: Effectiveness and Reusability	10/14/2020	NIH National Library of Medicine
The Sketchy Claims of the Case for a Mask Mandate	10/24/2020	American Institute for Economic Research
Randomly controlled trial in Denmark found that wearing masks did not stop Covid spread	11/18/2020	Annals of Internal Medicine
Effectiveness of Adding a Mask Recommendation to Other Public Health Measures to Prevent SARS-CoV-2 Infection in Danish Mask Wearers : A Randomized Controlled Trial	11/18/2020	NIH National Library of Medicine
Physical interventions to interrupt or reduce the spread of respiratory viruses	11/20/2020	NIH National Library of Medicine
Blount County Mayor Shares Comparison of Mask and No-Mask Counties in Tennessee	11/24/2020	The Tennessee Star
New Study Shows Mask Mandates Had Zero Effect in Florida or Nationwide, But the Lie Continues	12/21/2020	Town Hall
This Tennessee Data for Masked vs. Unmasked Counties Would Be on Every Front Page, if Results Were Different	12/28/2020	Town Hall
“Reported face mask use . . . [in child athletes] . . . did not have a significant relationship with COVID-19 incidence”	02/18/2021	University of Wisconsin School of Medicine and Public Health
Charts showing how masks, if anything, backfired	03/03/2021	Tom Woods
The CDC’s Mask Mandate Study: Debunked	03/04/2021	American Institute for Economic Research
'Some studies indicate that masks and limiting group activities such as indoor dining can help slow the spread of the coronavirus, but less clear is why states with greater government-imposed restrictions have not always fared better than those w/o them'	03/18/2021	The Washington Post
Is a Mask That Covers the Mouth and Nose Free from Undesirable Side Effects in Everyday Use and Free of Potential Hazards?	04/20/2021	MDPI
CDC admits having no studies showing masks effective at stopping Covid	04/27/2021	CDC
Corona children studies "Co-Ki": First results of a Germany-wide registry on mouth and nose covering (mask) in children	04/28/2021	Research Square
Meta study shows masks aren't effective against Covid	05/01/2021	Swiss Policy Research
Masks Didn't Slow COVID Spread: New Study	05/18/2021	medRxiv
Study finds prolonged mask use may lead to intermittent hypoxia and an increase in hemoglobin mass	05/26/2021	Transfusion and Apheresis Science
Dangerous pathogens found on children’s face masks	06/16/2021	Rational Ground
Dangerous pathogens found on children’s face masks	06/16/2021	Rational Ground
Study: Masking children causes hypercapnia	06/30/2021	JAMA
Forced masking and school shutdowns and even more strict distancing all produced worse outcomes for schools	07/21/2021	National COVID-19 School Response Dashboard
Experimental investigation of indoor aerosol dispersion and accumulation in the context of COVID-19: Effects of masks and ventilation	07/21/2021	AIP Physics of Fluids
Pediatricians: Social Distancing, Mask-Wearing Negatively Affecting Child Development	08/11/2021	KDKA
Study finds masks are impairing early childhood development	08/11/2021	Warren Alpert Medical School at Brown University
School Mask Mandates Mean Trauma For Millions Of Children, Especially Those From Low-Income Families	08/18/2021	Forbes
Mask mandate and use efficacy for COVID-19 containment in US States	11/01/2021	medRxiv
Evidence for Community Cloth Face Masking to Limit the Spread of SARS‐​CoV‑2: A Critical Review	11/08/2021	CATO Institute
Speech therapists report more than 300% increase in children speech delays	11/09/2021	WPBF
How Effective Are Cloth Face Masks?	12/15/2021	CATO Institute
The use of masks and respirators to preventtransmission of influenza: a systematic review of thescientific evidence	12/21/2021	influenza journal
BBC: Evidence on face masks in schools 'inconclusive'	01/11/2022	BBC
Unravelling the Role of the Mandatory Use of Face Covering Masks for the Control of SARS-CoV-2 in Schools: A Quasi-Experimental Study Nested in a Population-Based Cohort in Catalonia (Spain)	03/07/2022	SSRN
Association between School Mask Mandates and SARS-CoV-2 Student Infections: Evidence from a Natural Experiment of Neighboring K-12 Districts in North Dakota	07/01/2022	Research Square
Study finds N95 & medical masks equally ineffective against Covid; 10% develop adverse reactions	11/29/2022	ACP Journal
Two-thirds UK students report wearing masks makes communicating with teachers difficult	11/30/2022	UK Department of Education