In addition to the guidance surrounding face shields, the WHO advised the public to wear a non-medical grade mask inside where physical distancing of a meter — or about 3 feet — can’t be maintained, CTV reported. The group reminded that masks with valves should not be used, and masks should not be worn during vigorous physical activity.
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December 03, 2020 at 09:37PM
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WHO: Face shields alone not enough to protect against COVID-19 - WPXI Pittsburgh
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