[soo-per-in-fek-shuh n]

Origin of superinfection

First recorded in 1920–25; super- + infection Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

superinfection in Medicine


  1. The act or process of superinfecting a cell or an organism.
  2. An infection following a previous infection, especially when caused by microorganisms that have become resistant to the antibiotics used earlier.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.