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Free online tool calculates risk of COVID-19 transmission in poorly-ventilated spaces – EurekAlert
The vital role of ventilation in the spread of COVID-19 has been quantified by researchers, who have found that in poorly-ventilated spaces, the virus spreads further…

The vital role of ventilation in the spread of COVID-19 has been quantified by researchers, who have found that in poorly-ventilated spaces, the virus spreads further than two metres in seconds, and is far more likely to spread through prolonged talking than through coughing.
The results, reported in the journal Proceedings of the Royal Society A, show that social distancing measures alone do not provide adequate protection from the virus, and further emphasise the vital importance of ventilation…
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