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Definition of Norwalk virus
: a highly infectious virus first identified as the causative agent of an outbreak of gastroenteritis in a school in Norwalk, Ohio in 1968 ◆Norwalk virus was later officially classified as a norovirus (species Norwalk virus). While the originally identified virus and closely related forms may still be referred to as Norwalk viruses, they are now more commonly called noroviruses.
From the M-W Editors
Origin and Etymology of norwalk virus
Norwalk, Ohio, site of an outbreak of the virus in 1968
Medical Dictionary
Norwalk virus
playNorwalk agent
Medical Definition of Norwalk virus
: a highly infectious virus first identified as the causative agent of an outbreak of gastroenteritis in a school in norwalk, Ohio in 1968 ◆Norwalk virus was later officially classified as a norovirus (species Norwalk virus). While the originally identified virus and closely related forms may still be referred to as Norwalk viruses, they are now more commonly called noroviruses. Norwalk viruses are important causes of both sporadic and epidemic gastroenteritis.—Melvin A. Kohn, The Journal of the American Medical Association, 8 Feb. 1995
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