As coronavirus continues to unfold all over the world, face masks are in excessive demand as individuals search for methods to guard themselves.
But do they actually defend most individuals from contracting the virus?
Dr Shunmay Yeung from London School of Hygiene and Tropical Medicine explains.
Please be aware: This video was produced on 13 March 2020 and based mostly on the recommendation obtainable from the World Health Organization and different well being teams on the time.
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