American scientists have found that coronavirus infection and you can pick up in a normal conversation, because the respiratory droplets from COVID-19 can remain in the air for 8 to 14 minutes.
experts from the National institutes of health estimated the probability of infection COVID-19 during a simple conversation. The results of their work are published in the journal Proceedings of the National Academy of Sciences.
the Essence of the experiment was that the volunteers several times repeated the words “be healthy” in a cardboard box. The capacity was also set fan to create air movement, and its interior was lit by green lasers that track the amount of volunteers drops.
it turned Out that a second man throws into the air about 2 500 respiratory droplets. According to the description of scientists, these particles can remain in the air for eight, and sometimes 14 minutes. In this famous speech contributes to the spread of coronavirus as well as a cough or a sneeze.
it is Noted that in the course of the experiment were not taken into account the ambient temperature, the velocity of the air and other climatic factors influencing the spread of viruses. However, this work, according to scientists, proves once again the importance of respect for social distance.