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How Does Covid Spread? Virus' Infection Capacity Weakens After 20 Minutes in Air

Coronavirus loses most of its ability to infect shortly after being exhaled and is less likely to be contagious at longer distances, a study from the University of Bristol’s Aerosol Research Centre showed. Researchers found that the virus loses 90% of its contagion capacity 20 minutes after becoming airborne and that most of that loss happens in the first five minutes of it reaching the air, according to the study, that simulates how the virus behaves after exhaling. With some countries opening the debate in Europe about an endemic phase to the virus, insights into the way the virus travels across the air will help guide containment measures.

Bloomberg - January 13, 2022

View the full story here: https://www.bloomberg.com/news/articles/2022-01-13/covid-loses-most-of-infection-capacity-after-20-minutes-in-air