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Monday, March 19, 2018

The first epidemic of plague broke out in the stone age, suggested genetics

Bacterium-the causative agent of plague came to Europe and, in particular, on the territory of modern Russia in prehistoric times and probably first epidemic could affect the entire future history of mankind. To such conclusion have come the archaeologists and geneticists under the leadership of Johannes Krause from the University of tübingen.

photo: pixabay.com

The most famous in the history of the pandemic plague called “black death,” erupted in Europe in the mid fourteenth century and killed one third of its population. Before that,in 551году, broke the so-called “Justiniana plague” that began in Egypt over three decades covered the territory of the entire civilized world at that time. The third pandemic “historical” time began a little over a century ago in the Chinese province of Yunnan, after which covered China and India, and touched on the Azores and South America.

However, experts note that the plague broke out in prehistoric times, and then the disease is not too different from “medieval”. To verify this, experts have identified the genome of these bacteria from 560 bones and teeth of Europeans lived 4 800-3 700 years ago. As it turned out, even the most ancient of these samples, found on territory of modern Russia and Croatia, were infected with a bacterium, almost indistinguishable from Yersinia pestis Yersinia pestis is a strain that triggered a pandemic of the fourteenth century.

Further research has allowed professionals to videonote the assumption that the plague Bacillus, at least four times, “came” to Europe, and then got out of it in Asia and Africa. Perhaps initially it was spread by the inhabitants of the steppes of the Caspian sea and the black sea.

Scientists believe that the plague pursued humanity almost throughout the history of its existence, and it is likely that she was the cause of many migrations.

The study was published in the scientific journal Current Biology.

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