Dictionary

superinfection

noun su·per·in·fec·tion \-in-ˈfek-shən\

Definition of SUPERINFECTION

:  reinfection or a second infection with a microbial agent (as a bacterium, fungus, or virus)
su·per·in·fect \-ˈfekt\ transitive verb

First Known Use of SUPERINFECTION

circa 1922

superinfection

noun su·per·in·fec·tion \-in-ˈfek-shən\   (Medical Dictionary)

Medical Definition of SUPERINFECTION

:  a second infection superimposed on an earlier one especially by a different microbial agent of exogenous or endogenous origin that is resistant to the treatment used against the first infection

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