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Bacteria in ancient flea may be ancestor of the Black Death
Science Daily
Bacteria in ancient flea may be ancestor of the Black Death
A 20-million-year-old flea, entombed in amber with tiny bacteria attached to it, provides what researchers believe may be the oldest evidence on Earth of a dreaded and historic killer -- an ancient strain of the bubonic plague.
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http://www.sciencedaily.com/releases/2015/09/150928152503.htm
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