Tuesday, August 25, 2015

Why the plague still lurks in Western United States


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Almost seven centuries after the Black Death struck Europe, the plague is still lurking. This summer, there have been six confirmed infections by Yersinia pestis, the scientific name for the bacteria responsible for bubonic plague. Three of these infections have been fatal. Although it may seem strange, plague is a naturally occurring phenomenon that is particularly centered in the American West, and though reports are rare, it is normal to have a few cases every year.  

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