Definition of "noroviruses" [noroviruses]

• Plural form of norovirus. (noun)

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• "She says gastroenteritis is caused by noroviruses, which are normally transmitted through contact with an infected person."
• "Getty Images As a matter of fact, we do contract mild cases of such diseases—including from salmonella, campylobacter, E. coli, and noroviruses—all the time."
• "The symptoms were likely caused by noroviruses, a group of viruses that cause inflammation of the stomach and large intestines, according to the CDC."