in·fec·tion noun \in-ˈfek-shən\
: an infective agent or material contaminated with an infective agent
a : the state produced by the establishment of an infective agent in or on a suitable host b : a disease resulting from infection : infectious disease
: an act or process of infecting <syphilis infection is chiefly venereal>; also : the establishment of a pathogen in its host after invasion
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