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[aw-toh-in-fek-shuh n] /ˌɔ toʊ ɪnˈfɛk ʃən/
noun, Pathology
reinfection by a pathogen that is already in the body.
infection caused by transfer of a pathogen from one part of the body to another.
Origin of autoinfection
1900-05; auto-1 + infection Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for autoinfection
  • Humans are infected either by ingestion of food contaminated with feces, or by autoinfection.
  • Human infection can result from either ingestion of contaminated food or by autoinfection.
  • The frequency of autoinfection in individuals with taeniasis is not known.
  • autoinfection may continue for the period of nasal colonization.
British Dictionary definitions for autoinfection


infection by a pathogenic agent already within the body or infection transferred from one part of the body to another
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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autoinfection in Medicine

autoinfection au·to·in·fec·tion (ô'tō-ĭn-fěk'shən)

  1. Reinfection by microbes or parasitic organisms that are present on or within the body.

  2. Self-infection by direct contact with a contagious agent, as with parasite eggs in the infectious state transmitted by fingernails. Also called autoreinfection.

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