The Role of Masks in Mitigating the SARS-CoV-2 Pandemic: Another Piece of the Puzzle

Ann Intern Med. 2021 Mar;174(3):419-420. doi: 10.7326/M20-7448. Epub 2020 Nov 18.


Bundgaard and colleagues report the results of a unique randomized controlled trial of mask wearing in the community to mitigate SARS-CoV-2 infection. The editorialists discuss how the findings add to what we know about mask wearing in the community and risk for SARS-CoV-2 infection.

MeSH terms

  • COVID-19 / prevention & control*
  • COVID-19 / transmission
  • Disease Transmission, Infectious / prevention & control
  • Humans
  • Masks*
  • Pandemics / prevention & control*
  • Randomized Controlled Trials as Topic*
  • SARS-CoV-2