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[roh-tuh-vahy-ruh s] /ˈroʊ təˌvaɪ rəs/
noun, plural rotaviruses.
a double-stranded RNA virus of the genus Rotavirus, family Reoviridae, that is a major cause of infant diarrhea.
Origin of rotavirus
1974; < Latin rota wheel + virus Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for rotavirus
  • Two new vaccines have been developed for rotavirus, the main cause of diarrheal disease.
  • The experience with to old rotavirus vaccine and intussusception is a perfect example.
  • The rotavirus antigen test detects rotavirus in the feces.
  • The vaccine against rotavirus, first offered last fall, appears to be working.
  • There is no antiviral drug to treat rotavirus infection.
  • The best way to prevent rotavirus is to get vaccinated.
  • rotavirus vaccination leads to large decreases in health care costs and doctor visits.
British Dictionary definitions for rotavirus


any member of a genus of viruses that cause worldwide endemic infections. They occur in birds and mammals, cause diarrhoea in children, and are usually transmitted in food prepared with unwashed hands
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 rotavirus

wheel-shaped virus causing inflammation of the lining of the intestines, 1974, from Latin rota "wheel" (see rotary) + virus.

Online Etymology Dictionary, © 2010 Douglas Harper
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rotavirus in Medicine

rotavirus ro·ta·vi·rus (rō'tə-vī'rəs)
n. pl. ro·ta·vi·rus·es
Any of a group of wheel-shaped RNA viruses of the family Reoviridae, including the human gastroenteritis viruses that cause infant diarrhea. Also called gastroenteritis virus type B.

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