Norovirus

Infectious Agent

Norovirus infection is caused by nonenveloped, single-stranded RNA viruses of the genus Norovirus , which have also been referred to as “Norwalk-like viruses,” Norwalk viruses, and small round-structured viruses. Norovirus is a cause of viral gastroenteritis, sometimes referred to as “stomach flu”; however, there is no biologic association with influenza or influenza viruses.

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