'The iceman was probably already in misery'

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Group of spirochetes
  • Tick carrying spirochetes
  • Group of rickettsia-like cells
  • Group of spirochetes
  • Rickettsia Cretaceous tick
Group of spirochetes
This group of spirochetes, the type that cause lyme disease, were identified in a tick preserved in amber. (Photo by George Poinar, Jr., courtesy of Oregon State University)