rickettsiae

• plural

  plural

  The grammatical form denoting more than one person, place, thing, or idea.

  of 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.

Example Sentences

See Examples For:

rickettsiae

But when Dr. Joseph McDade, 36, examined the lung tissue of victims of last summer's outbreak, he found no trace of any rickettsiae.

From Time Magazine Archive

Better yet, it was one of the first drugs to show activity against some odd ball microbes called rickettsiae.

From Time Magazine Archive

Doctors had found no sure weapons against rickettsiae, * the tiny organisms that are smaller than bacteria but larger than most viruses.

From Time Magazine Archive

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