The Coronavirus could be transmitted to a new study, according to may, especially in Speaking.
The Wednesday study published in the journal "Proceedings of the National Academy of Sciences of the United States of America" (PNAS) shows, can remain when Speaking ejected micro-droplets in a closed room more than ten minutes in the air.
Every Minute of noisy speech are produced more than 1000 virus-loaded droplets
The researchers of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) long-made for the study, a test person in the enclosed space of 25 seconds according to the set "Stay healthy" (stay healthy) to repeat. In the space of projected Laser-illuminated droplets, causing them to be visible and counted could be made. On average, the droplets remained twelve minutes in the air.
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Given the known concentration of the Coronavirus in their saliva, the researchers assume that every Minute are can speech produce more than a thousand virus-loaded droplets, which remain in a confined space hanging in the air. The same researchers had observed in a published study that quieter Talk produces fewer droplets.
Should confirm the extent of the risk of Infection by Speak, this could explain the rapid spread of the Virus and at the same time, recommendations in many countries the Wearing of face masks scientifically substantiated.
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