The extra mile: 2m distancing indoors is not enough without masks

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The extra mile: 2m distancing indoors is not enough without masks

When people are unmasked more than 70% of airborne particles pass the threshold within 30 seconds, researchers find

Senior reporter

To arrest the spread of Covid-19 in closed spaces, the 2m physical distancing rule is not enough without the wearing of masks.

That’s according to a study published in Building and Environment.

The researchers say wearing a mask indoors can reduce the contamination range of airborne particles by about 67%...

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