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Biologists Find Source Of Deadly Plague05:33
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Yersinia pestis, bacterium responsible for the Black Plague. (Northern Arizona University)
Yersinia pestis, bacterium responsible for the Black Plague. (Northern Arizona University)

Biologists at Northern Arizona University have pinpointed the source of one of the deadliest plagues of all time.

The discovery not only solves some ancient mysteries about the first pandemic, but could also provide answers in the event of a bio-terrorism threat.

Their results were just published in PLOS Pathogens, a peer-reviewed scientific journal.

Laurel Morales has our report that comes to us from Fronteras: The Changing America Desk, a public radio collaboration that focuses on the border and changing demographics in the Southwest.

This segment aired on May 17, 2013.

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