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relapsing fever

noun, Pathology.
one of a group of fevers characterized by relapses, occurring in many tropical countries, and caused by several species of spirochetes transmitted by several species of lice and ticks.
Also called recurrent fever.
Origin of relapsing fever
1840-50 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for relapsing-fever

relapsing fever

any of various infectious diseases characterized by recurring fever, caused by the bite of body lice or ticks infected with spirochaetes of the genus Borrelia Also called recurrent fever
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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relapsing-fever in Medicine

relapsing fever n.
An acute infectious disease caused by a strain of Borrelia transmitted by lice or ticks and marked by recurring febrile attacks lasting about six days and separated from one other by apyretic intervals of about the same length. Also called recurrent fever.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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