| Health / Medical Topics |
Norwalk Virus
Definition 1
A species of non-enveloped and spherical viruses with a capsid with T=3 icosahedral symmetry in the Caliciviridae family and Norovirus genus. The genome is composed of single-stranded, positive-sense RNA. Norwalk viruses are found in humans and causes acute viral gastroenteritis. Norwalk viruses are transmitted via oral ingestion or fecal-oral contamination. (NCI Thesaurus)
Definition 2
Any viral organism that can be assigned to the species Norwalk virus. (NCI Thesaurus/CDISC)
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