Origin and Etymology of norovirus
New Latin, from English Norwalk virus + New Latin -o- + virus
First Known Use: 2002
Medical Definition of norovirus
1 capitalized : a genus of small, round, single-stranded, highly infectious RNA viruses that includes a single species (species Norwalk virus) with various strains causing gastroenteritis in people and animals (such as cows and dogs)
2: any virus of the genus Norovirus <People spread the virus by eating food or drinking liquids that are contaminated with norovirus, touching surfaces or objects contaminated with norovirus and then touching their mouth or having direct contact with another person who is infected.—Cherie Black, The Seattle Post-Intelligencer, 29 Dec. 2006> ◆In people, noroviruses cause gastroenteritis marked chiefly by sudden onset, diarrhea, vomiting, nausea, and abdominal cramps. —see norwalk virus
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