Please indicate: This video used to be produced on 13 March 2020 and per the advice accessible from the World Health Group and diverse health groups on the time.
As coronavirus continues to spread at some point soon of the sector, face masks are in high ask as of us witness for methods to present protection to themselves.
But form they the truth is supply protection to most of us from contracting the virus?
Dr Shunmay Yeung from London College of Hygiene and Tropical Medication explains.
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