Double masks: Should we use them?
There’s a lot of choice about which type of face covering to wear – and in some countries the advice is changing as we learn more about how the virus spreads.
In certain countries a specific type of mask is required in public areas.
The BBC’s Science Editor David Shukman explains the differences between cloth masks, surgical masks and N95 masks – and looks at whether we should double mask.
Produced by: Bella McShane, Ameer Ahmed and Parveen Virdi.
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