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AS. microgotículas aerosols, i.e. the tiny particles that remain in the atmosphere after, for example, speaking or coughing, are apparently not significantly potent in the propagation of coronavirus SARS–CoV-2.
The surprising conclusion comes from research published in Physics of Fluids, conducted by scientists from the Van der Institute Waals–Zeeman, of the University of Amsterdam, the Netherlands.
The study, published in the prestigious Galileu journal, thoroughly analyzed the presence of droplets expelled by humans. To this end, the researchers used laser technology to examine their behavior in the atmosphere in enclosed spaces.
Scientists have found that despite the microgotículas obviously not free from the virus, given their small size, they still contain smaller quantities SARS–CoV-2, compared to the larger droplets that are produced when someone coughs, talks or sneezes directly on someone else.
Furthermore, as Galileu explained, the study warns that environments with poor ventilation can in fact be dangerous and conducive to contamination, even for a long period, after an infected individual coughs in that space.
As such, the new data reiterates the need and effectiveness of the constant use of face masks. protection, in addition to social distance.
According to Daniel Bonn, director from the institute and co-author of the study: “We see that, in terms of aerosols, it is relatively safe to enter well-ventilated modern buildings, such as airports, train stations, modern offices, etc.”
“Modern ventilation reduces the risk of aerosol infections.”
“If you want to minimize the risk of infection, you don’t just have to keep 1.5 meters awayncia, but also make sure that the room you are in is well ventilated. And wash your hands, “says Bonn.
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