Two lists with studies about masks are presented below. One list was provided by ICAN (HighWire Insiders Episode 229 email), the other by GreatGameIndia. Some of the same studies are presented in both lists.
ICAN
STUDIES ABOUT MASKS: EFFECTIVENESS
STUDIES ABOUT MASKS: POTENTIAL HARMS
STUDIES ABOUT MASKS: MORTALITY, ASYMPTOMATIC SPREAD & OVERALL RISK IN CHILDREN & SCHOOL
- PLOS: The role of children in the spread of COVID-19: Using household data from Bnei Brak, Israel, to estimate the relative susceptibility and infectivity of children
- OSF PREPRINTS: Children and young people remain at low risk from COVID-19 mortality: updated time trends from USA, United Kingdom, Italy, Germany, Spain, France and South Korea
- SCIENCE MAG: Preexisting and de novo humoral immunity to SARS-CoV-2 in humans
- EUROSURVEILLANCE: Minimal transmission of SARS-CoV-2 from paediatric COVID-19 cases in primary schools, Norway, August to November 2020
- AAP PEDIATRICS: COVID-19 Transmission in US Child Care Programs
- Centre for Research & Analysis of Migration: The Role of Schools in Transmission of the SARS-CoV-2 Virus: Quasi-Experimental Evidence from Germany
- NBER: The Incidence and Magnitude of the Health Costs of In-person Schooling during the COVID-19 Pandemic
- THE LANCET: SARS-CoV-2 infection and transmission in educational settings: a prospective, cross-sectional analysis of infection clusters and outbreaks in England
- AAP PEDIATRICS: Incidence and Secondary Transmission of SARS-CoV-2 Infections in Schools
- JAMA: Characteristics and Outcomes of Children With Coronavirus Disease 2019 (COVID-19) Infection Admitted to US and Canadian Pediatric Intensive Care Units
- MEDRXIV: Association between living with children and outcomes from COVID-19: an OpenSAFELY cohort study of 12 million adults in England
- JOURNAL OF INFECTION: LOWER HOUSEHOLD TRANSMISSION RATES OF SARS-COV-2 FROM CHILDREN COMPARED TO ADULTS
- JAMA: Household Transmission of SARS-CoV-2: A Systematic Review and Meta-analysis
- Journal of Clinical Microbiology: Comparison of Upper Respiratory Viral Load Distributions in Asymptomatic and Symptomatic Children Diagnosed with SARS-CoV-2 Infection in Pediatric Hospital Testing Programs
- MEDRXIV: Prevalence and Transmission of SARS-CoV-2 in Childcare Facilities: A Longitudinal Study
GREATGAMEINDIA
List of 30 studies showing face masks are useless against COVID-19
- https://www.medrxiv.org/content/10.1101/2021.05.18.21257385v1.full-text
- https://swprs.org/face-masks-evidence/
- https://pubmed.ncbi.nlm.nih.gov/29395560/
- https://pubmed.ncbi.nlm.nih.gov/32590322/
- https://pubmed.ncbi.nlm.nih.gov/15340662/
- https://pubmed.ncbi.nlm.nih.gov/26579222/
- https://pubmed.ncbi.nlm.nih.gov/31159777/
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4420971/
- https://www.medrxiv.org/content/10.1101/2020.04.01.20049528v1
- https://www.medrxiv.org/content/10.1101/2020.03.30.20047217v2
- https://www.nejm.org/doi/full/10.1056/NEJMp2006372
- https://jamanetwork.com/journals/jama/fullarticle/2749214
- https://www.cmaj.ca/content/188/8/567
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5779801/
- https://pubmed.ncbi.nlm.nih.gov/19216002/
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4420971/
- https://academic.oup.com/cid/article/65/11/1934/4068747
- https://www.jstage.jst.go.jp/article/bio/23/2/23_61/_pdf/-char/en
- https://link.springer.com/article/10.1007/BF01658736
- https://www.journalofhospitalinfection.com/article/0195-6701(91)90148-2/pdf
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2493952/pdf/annrcse01509-0009.pdf
- https://web.archive.org/web/20200717141836/https://www.cidrap.umn.edu/news-perspective/2020/04/commentary-masks-all-covid-19-not-based-sound-data
- https://www.nap.edu/catalog/25776/rapid-expert-consultation-on-the-effectiveness-of-fabric-masks-for-the-covid-19-pandemic-april-8-2020
- https://www.nap.edu/read/25776/chapter/1#6
- https://wwwnc.cdc.gov/eid/article/26/5/19-0994_article
- https://academic.oup.com/annweh/article/54/7/789/202744
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6599448/
- https://www.acpjournals.org/doi/10.7326/M20-1342
- https://link.springer.com/article/10.1007/s00392-020-01704-y
- https://clinmedjournals.org/articles/jide/journal-of-infectious-diseases-and-epidemiology-jide-6-130.php?jid=jide
- https://www.sciencedirect.com/science/article/abs/pii/S1130147308702355
UPDATE 21.08.26: