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norovirus
nor·o·vi·rus [ náwrō vrəss, nórrō vrəss ] (plural nor·o·vi·rus·es)


noun 
Definition:
 
virus causing gastroenteritis: a single-stranded RNA virus that is highly contagious and causes gastroenteritis. Family Caliciviridae.
[Late 20th century. Alteration of Norwalk virus, after a city in Ohio where the first outbreak occurred]
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