Bmj British Medical Journal
Editor's Choice
The curious case of the Danish mask study
BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4586 (Published 26 November 2020)
Cite this as: BMJ 2020;371:m4586
Rapid response
Re: The curious case of the Danish mask study
Dear Editor
Mask and COVID-19
A mask is dehumanizing and uncomfortable—it may create a sense of increased work when breathing during heavy exertion—but a mask is not hazardous.Wearing a three layer disposable mask is not harmful.
Masks are a key measure to suppress COVID-19 transmission and save lives. Masks reduce potential exposure risk of COVID-19 from an infected person whether they have symptoms or not. People wearing masks are protected from getting infected from COVID-19 during this Pandemic.
Masks also prevent onward transmission when worn by a person who is infected with COVID-19.
To prevent COVID-19 spread
masks should be used as part of a comprehensive ‘Do it all!’ approach including: physical distancing, avoiding crowded, closed and close-contact settings, improving ventilation, cleaning hands, covering sneezes and coughs, and more.
Competing interests: No competing interests
28 November 2020
M.A. Aleem
Emeritus Professor of Neurology * Visiting Specialist in Neurology ** Consultant Neurologist ***
The Tamilnadu Dr.M.G.R. Medical University * Dhanalakshami Srinivasan Medical College ** ABC Hospital ***
Chennai 600032* Perambalure 621212** Trichy 620018*** Tamilnadu India
@drmaaleem
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