WHO advises public to wear face masks when unable to distance
by Sarah Boseley from Science | The Guardian on (#54BXX)
Over-60s should use medical-grade masks and all others three-layer fabric ones, health body says
People over 60 or with health issues should wear a medical-grade mask when they are out and cannot socially distance, according to new guidance from the World Health Organization, while all others should wear a three-layer fabric mask.
The announcement on Friday marks a significant change of stance by the WHO, which until now has been reluctant to advocate the wearing of masks by the public because of limited evidence that they offer protection.
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