'The iceman was probably already in misery'

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Rickettsia Cretaceous tick
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  • Tick carrying spirochetes
  • Group of rickettsia-like cells
  • Group of spirochetes
  • Rickettsia Cretaceous tick
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Rickettsia Cretaceous tick
This tick, preserved in amber about 100 million years old, offers the first-ever fossil record of Rickettsia-like cells, a type of bacteria that still causes various types of spotted fever. (Photo by George Poinar, Jr., courtesy of Oregon State University)