Norwalk virus
noun
Note: 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.
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“Norwalk virus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Norwalk%20virus. Accessed 4 Nov. 2025.
Copy CitationMedical Definition
Norwalk virus
noun
Note: 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.
Melvin A. Kohn, The Journal of the American Medical Association
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