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. 2021 Mar;174(3):421-422.
doi: 10.7326/M20-7499. Epub 2020 Nov 18.

Of Masks and Methods

Thomas R Frieden  1 , Shama Cash-Goldwasser  1
Affiliations

Of Masks and Methods

Thomas R Frieden et al. Ann Intern Med. 2021 Mar.

Abstract

In their article, Bundgaard and colleagues report the results of a unique randomized controlled trial of masks in the community to mitigate SARS-CoV-2 infection. The trial addresses the question of personal protection to mask wearers when others are not wearing masks and not the question of the effectiveness of widespread mask wearing in reducing community transmission. The editorialists discuss the findings and their concerns about the trial design.

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Conflict of interest statement

Disclosures: Authors have disclosed no conflicts of interest. Forms can be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=M20-7499.

References

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