COVID masks | Do cloth masks work?

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In this video, I reviewed the recent CDC research that was presented on COVID masks. I also review randomized clinical trial data on COVID masks from Denmark and Bangladesh. Do different types of masks work and what kind of reduction of risk can you expect?


CDC mask study: https://www.cdc.gov/mmwr/volumes/71/w…

Bangladesh mask study analysis: https://arxiv.org/pdf/2112.01296.pdf

Danish mask study: https://www.acpjournals.org/doi/10.73…

This is my video on the mask study from Bangladesh. Do Masks Help? https://youtu.be/fFCYv0X4kf4

You Do Not Need a Mask When… https://youtu.be/0VKFsMiMjzM Covid Mask Tips from an MD https://youtu.be/mFJfdwRsXfU

Dr. Keith Moran MD, RCPSC, DABIM, RCS, NBE Biography:

I am a consultant in Internal Medicine with special medical interests in gastroenterology, cardiology, and echocardiography. I am a a full-time practising physician in these areas. I was an undergraduate at the University of Toronto, Trinity College where I received a number of scholarships including one for top student at Trinity College. I attended medical school at the University of Toronto graduating with a gold medal. My internship was completed at McMaster University in Hamilton followed by a residency in Internal Medicine at the University of Western Ontario in London. I then completed a fellowship in General Internal Medicine at the University of Western Ontario. I am an active echocardiographer who has been certified and recertified by the National Board of Echocardiography. I am certified in cardiac sonography and have trained and completely educated a number of cardiac sonographers. I am the medical director of my cardiology laboratory which was established in 2001. My laboratory performs echocardiography and stress echocardiography amongst other tests. I maintain my certification in the American Board of Internal Medicine. I have over 27 years of experience as a hospital-based consultant in internal medicine and intensive care unit attending physician.

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