Definition: A genus in the family CALICIVIRIDAE, associated with epidemic GASTROENTERITIS in humans. The type species, NORWALK VIRUS, contains multiple strains.
infection: coord IM with CALICIVIRIDAE INFECTIONS + probably GASTROENTERITIS (IM)
ExamplesNorwalk virus
Other names Small Round Structured Viruses; Round-Structured Viruses, Small; Norwalk like Viruses; Noroviruses; Small Round-Structured Viruses; Norwalk-like Viruses