We found 2 definitions of infectious agent from 2 different sources.
Noun |
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infectious agent - an agent capable of producing infection | ||
infective agent | ||
agent an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents" | ||
virus (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein |