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 (zĕn′ə-dī′əg-nō′sĭs, zē′nə-)
n. pl. xen·o·di·ag·no·ses (-sēz)
Diagnosis of an infectious disease at an early stage by exposing a presumably infected individual or tissue to a clean, laboratory-bred mosquito, tick, or other vector and then examining the vector for the presence of the infective microorganism.

xen′o·di·ag·nos′tic (-nŏs′tĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Medicine) med a method of diagnosing an infectious disease by exposing a vector animal to infected material before examining the animal for the pathogen
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Parasite culture was successful for 6 and xenodiagnoses for 7.
for diagnostic tests for Lyme disease and babesiosis, Tufts University for xenodiagnoses to assess persistence of Borrelia, and Institute for Systems Biology for exploration of biomarkers for Lyme disease outcomes; U.S.
Medina-Lopes, Chronic Infection excluded at birth by 1988 (7) modified Strout and xenodiagnoses by using cord blood.