norovirus

noun

nor·​o·​virus ˈnȯr-ə-ˌvī-rəs How to pronounce norovirus (audio)
: 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

Note: In people, noroviruses cause gastroenteritis marked chiefly by sudden onset diarrhea, vomiting, nausea, and abdominal cramps.

see norwalk virus

Examples of norovirus in a Sentence

Recent Examples on the Web Nearly 70 passengers and five crew members got sick in a norovirus outbreak on a Celebrity Cruises ship. Nathan Diller, USA TODAY, 6 June 2024 The Centers for Disease Control and Prevention investigated a norovirus outbreak that affected hundreds after rafting and hiking trips to the Grand Canyon in 2022. CBS News, 14 June 2024 Moderna has more than 40 products in development including a vaccine for the digestive system bug, norovirus. Bruce Gil, Quartz, 31 May 2024 In 2023, there were 14 reports of gastrointestinal outbreaks onboard cruise ships arriving in the US (out of thousands of sailings), and all but one was attributed to norovirus. Scott Laird, Condé Nast Traveler, 19 Mar. 2024 See all Example Sentences for norovirus 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'norovirus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin, from English Norwalk virus + New Latin -o- + virus

First Known Use

2002, in the meaning defined above

Time Traveler
The first known use of norovirus was in 2002

Dictionary Entries Near norovirus

Cite this Entry

“Norovirus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/norovirus. Accessed 20 Jul. 2024.

Medical Definition

norovirus

noun
nor·​o·​virus ˌnȯr-ō-ˈvī-rəs How to pronounce norovirus (audio)
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

Note: In people, noroviruses cause gastroenteritis marked chiefly by sudden onset, diarrhea, vomiting, nausea, and abdominal cramps.

see norwalk virus
Last Updated: - Updated example sentences
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