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View Full Version : How Black Death Kept Its Genes but Lost Its Killing Power [Video]



Bok
10-27-2011, 04:48 PM
In five years, Black Death wiped out an estimated 30 to 50 percent of Europe's population. This medieval plague was caused by the bacterium Yersinia pestis , which still circulates among humans . Genetic clues as to what might have made it so deadly, however, had remained interred with the tens of millions of victims. [More] (http://www.scientificamerican.com/article.cfm?id=black-death-genome)

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