The family includes viruses with single-stranded, positive-sense RNA genomes of 7.4-8.3 kb. The most clinically important representatives are human noroviruses, which are a leading cause of acute gastroenteritis in humans. Virions are non-enveloped with icosahedral symmetry. Members of seven genera infect mammals (, , , , , and ), members of two genera infect birds ( and ), and members of two genera infect fish ( and ). This is a summary of the International Committee on Taxonomy of Viruses (ICTV) Report on the family , which is available at ictv.global/report/caliciviridae.
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Department of Plant Pathology, University of Nebraska-Lincoln, Lincoln, NE, United States.
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