Scary Video Showing How Coronavirus Spreads With a Single Cough


While the new type of coronavirus (COVID-19) spreading from China all over the world continues to take thousands of lives every day, a group of researchers from Aalto University in Finland have prepared a stunning simulation that shows that only one cough can spread the virus to an entire supermarket.

At the beginning of the discussions surrounding the coronavirus is whether there is a long stay in the air. While some research in China in the early days of the epidemic showed that the virus had been in the air for 30 minutes, experts from the World Health Organization (WHO) say that the virus was transmitted only through droplets and not in the air.

According to WHO droplets; It can go up to 1 meter when you speak, cough or sneeze, but this distance gets longer if you shout or speak out loud. Droplets that come out in this way fall to the ground soon. In short, the coronavirus is not transmitted by air, but by infected droplets.

WHO: Coronavirus is transmitted only through droplets
However, a research team of experts from Aalto University, the Finnish Meteorological Institute and the University of Helsinki, in Finland, determined that the infected droplets did not fall to the ground immediately and floated to different points by gliding in the air for a few minutes.

As part of the study, researchers studied how small respiratory particles scattered into the air after coughing, sneezing, and talking. The team modeled a scenario where an infected person coughs in a supermarket and his particles spread rapidly across the aisles.

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New simulation shows that infected droplets stay in the air for a few minutes
In the shared video, it is seen that the virus-filled microparticle cloud does not immediately fall to the ground and can be suspended in the air for a few minutes with the effect of the ventilation system. Particles that spread to almost the entire supermarket in a short time reveal once again how important it is to wear masks in closed areas.

Professor Ville Vuorinen of Aalto University said, “Even if a person with COVID-19 moves away from where he coughs, he leaves extremely small aerosol particles carrying the coronavirus behind them. These particles can then enter the respiratory tract of others in the vicinity.” Chief of Health and Welfare Institute, Finland Jussi Sane he says that those who do not feel well should definitely stay at home.

Lydia Bourouiba, a researcher at the Massachusetts Institute of Technology (MIT), stated in her article published last week that the coronavirus can progress up to 8 meters, saying that the particles and droplets caused by cough and sneezing can stay in the air for hours.

Scary video showing the spread of infected droplets indoors


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