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Related to rickettsialpox: Q fever
, any of an order (Rickettsiales) of very small microorganisms, many disease-causing, that live in vertebrates and are transmitted by bloodsucking parasitic arthropods such as fleas, lice (see louse), and ticks.
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An acute febrile disease caused by the organism Rickettsia akari and transmitted from the mouse to humans by the mite Allodermanyssus sanguineus; characterized by rash, a primary ulcer, and often swelling of glands.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.