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rickettsial

  • a word derived from rickettsia.
    rickettsia
    noun
    any member of the genus Rickettsia, comprising rod-shaped to coccoid microorganisms that resemble bacteria but can be as small as a large virus and reproduce only inside a living cell, parasitic in fleas, ticks, lice, and mites and transmitted by bite to vertebrate hosts, including humans, causing such severe diseases as typhus and Rocky Mountain spotted fever.

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The discovery was made not by a man who hunts ordinary bacteria, but by a microbiologist who specializes in leprosy and rickettsial diseases like typhus and spotted fever.

From Time Magazine Archive

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