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
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norovirus