The Forgotten Science Behind Face Masks

Jeremy Howard, researcher in residence, University of San Francisco, California.

Christos Lynteris, PhD, medical anthropologist, senior lecturer, University of St. Andrews, St. Andrews, Scotland.

Linsey Marr, PhD, professor of civil and environmental engineering, the University of Vermont, Burlington.

Don Milton, MD, professor of applied environmental health, University of Maryland.

Jacob Bueno de Mesquita, PhD, post-doctoral associate, Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park, MD.

“Face Masks Against COVID-19: An Evidence Review,” preprints.org, April 12, 2020.


New England Journal of Medicine, May 21, 2020.


National Academies of Science, “Rapid Expert Consultation on the Effectiveness of Fabric Masks for the COVID-19 Pandemic,” April 8, 2020.

Associated Press-NORC poll, July 23, 2020.


Health Affairs, August 2020.


MMWR, July 14, 2020.


Nature Medicine, April 3, 2020.