Abraar Karan, MD, Brigham and Women’s Hospital and Harvard Medical School, Boston.
Tom Frieden, MD, Resolvetosavelives.org.
Monica Gandhi, MD, University of California, San Francisco.
Alice Sato, MD, PhD, Children’s Hospital & Medical Center, Omaha, NE.
Cell: “Uniting Infectious Disease and Physical Science Principles on the Importance of Face Masks for COVID-19.”
JAMA Internal Medicine: “Evaluation of Cloth Masks and Modified Procedure Masks as Personal Protective Equipment for the Public During the COVID-19 Pandemic.”
Proceedings of the National Academy of Sciences: “Face masks considerably reduce COVID-19 cases in Germany.”
The Local: “Austrian government to distribute free FFP2 masks to over 65s ‘by mid-January.’”
CDC.gov: “Your Guide to Masks,” “Trends in County-Level COVID-19 Incidence in Counties With and Without a Mask Mandate — Kansas, June 1-August 23, 2020,”
“Trends in COVID-19 Incidence After Implementation of Mitigation Measures — Arizona, January 22-August 7, 2020,” “Emergence of SARS-CoV-2 B.1.1.7 Lineage — United States, December 29, 2020-January 12, 2021.”
The Atlantic: “Why Aren’t We Wearing Better Masks?”
The Lancet: “Mask-wearing linked to reduced COVID-19 transmission, US modelling study suggests.”