- any of a group of viruses that can cause symptoms of mild meningitis, the common cold, or infections of the intestinal and respiratory tracts
WordReference Random House Unabridged Dictionary of American English © 2026
ech•o•vi•rus
(ek′ō vī′rəs),USA pronunciation n., pl. -rus•es.
- Microbiologyany of numerous retroviruses of the picornavirus group, some harmless and others associated with various human disorders, as aseptic meningitis.
- 1950–55; echo- (acronym from enteric cytopathogenic human orphan) + virus; origin, originally termed "orphan'' because they were not known to be the cause of any disease
Collins Concise English Dictionary © HarperCollins Publishers::
echovirus /ˈɛkəʊˌvaɪrəs/, ECHO virus n