norovirus
noun /ˈnɒrəʊvaɪrəs/
/ˈnɔːrəʊvaɪrəs/
[uncountable, singular] (British English also winter vomiting bug/virus [countable])
- a disease, caused by a virus, that makes people vomit and have diarrhoea very badly for a few days
诺如病毒，冬季呕吐症（传染性强，患者连续几天严重呕吐和腹泻）