from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. diagnosis of an infectious disease (especially of trypanosomiasis) by exposure to a vector of that disease, incubating the vector and examining it for the presence of the disease


xeno- +‎ diagnosis (Wiktionary)


  • Program Director, Linden Hu, MD (Associate Professor of Medicine, Tufts University School of Medicine and Associate Professor of Microbiology, Sackler School of Biomedical Graduate Sciences) has begun an unconventional study examining whether xenodiagnosis (the feeding of uninfected Ixodes ticks on infected animals) can be used to determine when persistent infection occurs in humans.

    Newswise: Latest News


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  • I like the part in the definition that presumes "a clean, laboratory-bred mosquito, tick, or other vector".

    December 29, 2011