norovirus
noun
nor·o·virus
ˈnȯr-ə-ˌvī-rəs 
: any of a genus (Norovirus) of small, round, single-stranded RNA viruses that includes a single species (species Norwalk virus) with various strains causing gastroenteritis in people and animals (such as cows, pigs, and dogs)
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
Cherie BlackNote: In people, noroviruses cause gastroenteritis marked chiefly by sudden onset diarrhea, vomiting, nausea, and abdominal cramps.
see norwalk virusExamples of norovirus in a Sentence
Recent Examples on the Web
Nearly a decade ago the burrito chain dominated headlines for months when a string of norovirus, E. coli and salmonella outbreaks poisoned hundreds of customers.
—Beth Kowitt, The Mercury News, 29 Oct. 2024
Research suggests that most people with Crohn's disease have a genetic mutation (a permanent change in DNA sequence of a gene) that makes their gut lining cells more vulnerable to damage from a viral norovirus infection, which triggers symptoms.6
6.
—Anna Giorgi, Verywell Health, 28 Oct. 2024
Food poisoning symptoms and norovirus symptoms can both include fever and diarrhea.
Gastroenteritis (also known as the stomach bug or stomach flu), COVID-19, and other infections may also be to blame.
—Kelly Burch Published, Verywell Health, 29 Oct. 2024
How McDonald's outbreak compares to Chipotle Between the lines: Chipotle Mexican Grill had a string of food-safety issues including 2015 outbreaks of E. coli, salmonella and norovirus.
—Kelly Tyko, Axios, 23 Oct. 2024
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Beth Kowitt, The Mercury News, 29 Oct. 2024
Research suggests that most people with Crohn's disease have a genetic mutation (a permanent change in DNA sequence of a gene) that makes their gut lining cells more vulnerable to damage from a viral norovirus infection, which triggers symptoms.6
6.
—Anna Giorgi, Verywell Health, 28 Oct. 2024
Food poisoning symptoms and norovirus symptoms can both include fever and diarrhea.
Gastroenteritis (also known as the stomach bug or stomach flu), COVID-19, and other infections may also be to blame.
—Kelly Burch Published, Verywell Health, 29 Oct. 2024
How McDonald's outbreak compares to Chipotle Between the lines: Chipotle Mexican Grill had a string of food-safety issues including 2015 outbreaks of E. coli, salmonella and norovirus.
—Kelly Tyko, Axios, 23 Oct. 2024
See all Example Sentences for norovirus
Dictionary Entries Near norovirus
Cite this Entry
“Norovirus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/norovirus. Accessed 22 Nov. 2024.
Copy CitationMedical Definition
norovirus
noun
nor·o·virus
ˌnȯr-ō-ˈvī-rəs
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
Cherie Black, The Seattle Post-IntelligencerNote: In people, noroviruses cause gastroenteritis marked chiefly by sudden onset, diarrhea, vomiting, nausea, and abdominal cramps.
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