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Free online tool calculates risk of Covid-19 transmission in poorly-ventil
Updated : 5 years, 4 months ago IST
Washington [US], January 20 (ANI): 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 tha
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