Scientists have documented the way a single gene in the bacterium that causes bubonic plague, Yersinia pestis, allowed it to survive hundreds of years by adjusting its virulence and the length of time it took to kill its victims, but these forms of plague ultimately died out.
A study by researchers at McMaster University and France’s Institut Pasteur, published today in the journal Science, addresses some fundamental questions related to pandemics: how do they enter human populations, cause…
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News Source: www.sciencedaily.com
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