Any of a group of very small rod-shaped bacteria that live in biting arthropods (as ticks and mites) and cause disease in vertebrate hosts; they cause typhus and other febrile diseases in human beings.
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Words linked to "Rickettsia" : eubacterium, rickettsial, true bacteria, eubacteria, family Rickettsiaceae, Rickettsiaceae, genus Rickettsia |
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