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
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%...