noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Simultaneous infection by two pathogens (a pair of copathogens), any combination of viruses and/or bacteria; often one infection is a secondary bacterial infection that gets its opportunity from the effects of the (viral or bacterial) first one. countable, uncountable

Etymology

From co- + infection.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.