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Not enough social distance to reduce indoor Covid risk: research

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Toronto- Do you keep a distance of 2 meters from your colleagues at work or passengers on public transport? You may still be at risk of getting a Covid infection, the study says.

Researchers at the Massachusetts Institute of Technology in the United States have found that the 2-meter rule is that Covid-19 transmission is caused only by heavier droplets projected from the mouth and nose during speech, coughing, and sneezing. He said it was first developed when there was belief. Reported by CTVnews.ca.

But scientists are now talking more and more about the role of aerosols, small particles that stay in the air for a long time, in Covid-19 infection.

“The importance of airborne transmission of Covid-19 is now widely recognized,” said researchers, including Martin Z Basant of the Department of Chemical Engineering at Varsity.

This study, published in the journal PNAS, shows that the amount of time you can safely spend in an indoor space depends on many factors, including face mask usage, space size, and ventilation. The report said.

“To minimize the risk of infection, we need to avoid long-term spending in populated areas,” the researchers say.

“One is safer in a large, well-ventilated room. One is that people themselves increase their respiratory rate and pathogen emissions, for example by exercising, singing, or screaming. The rooms that are exercising are at greater risk, “they added.

The team has developed a theoretical model based on aerial transmission to understand how safe an uninfected person is in an indoor location with an infected person.

They also investigate how various respiratory activities, such as singing, speaking, and breathing, contribute to the total amount of particles exhaled and, therefore, to the potential amount of pathogens excreted. I did. (IANS)

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