norovirus
/ˈnɔːrəvʌɪrəs
/noun Medicine
1Any of various single-stranded RNA viruses including the Norwalk virus and closely related viruses.
- Genus Norovirus, family Caliciviridae.
- O'Connor noted that the norovirus has many different strains, making it difficult for a person to develop long-lasting immunity to the infection.
- We are testing some samples and suspect it is norovirus, we should get lab confirmation early this week.
1.1 [mass noun] Gastroenteritis caused by a norovirus: an outbreak of norovirus aboard the ship infected 350 passengers...
- We know Norovirus is now quite widespread in the community.
- Winter vomiting disease, or norovirus, is a brief illness, which usually lasts for one to three days.
- The norovirus is highly contagious, affecting up to one million people in the United Kingdom every year.
Origin
Early 21st century: from nor- in Norwalk virus + -o- + virus.
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