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[ek-oh-vahy-ruh s] /ˈɛk oʊˌvaɪ rəs/
noun, plural echoviruses.
any of numerous retroviruses of the picornavirus group, some harmless and others associated with various human disorders, as aseptic meningitis.
Also, echo virus, ECHO virus.
Origin of echovirus
1950-55; echo- (acronym from enteric cytopathogenic human orphan) + virus; orig. termed “orphan” because they were not known to be the cause of any disease Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for echovirus


any of a group of viruses that can cause symptoms of mild meningitis, the common cold, or infections of the intestinal and respiratory tracts
Word Origin
C20: from the initials of Enteric Cytopathic Human Orphan ("orphan" because originally believed to be unrelated to any disease) + virus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for echovirus

also ECHO virus, 1955, acronym for enteric cytopathogenic human orphan; "orphan" because when discovered they were not known to cause any disease.

Online Etymology Dictionary, © 2010 Douglas Harper
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echovirus in Medicine

echovirus ech·o·vi·rus (ěk'ō-vī'rəs) or ECHO virus (ěk'ō)
Any of a number of retroviruses of the family Picornaviridae, inhabiting the gastrointestinal tract and associated with various diseases, such as viral meningitis, mild respiratory infections, and severe diarrhea in newborns.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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