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Any of a genus of caliciviruses, formerly called Norwalk viruses, that cause acute gastroenteritis.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Pathology) a virus which is a common cause of gastroenteritis
[C20: from Norwalk, Ohio, site of an outbreak in 1968]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Sequence diversity of small, round-structured viruses in the Norwalk virus group. J Virol.