Definition of "norovirus" []

• Norovirus, the genus of a number of species of virus, family Caliciviridae, causing human gastroenteritis, of which Norwalk virus is the prototype. (noun)

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• "The term norovirus was recently approved as the official name for this group of viruses via CDC - Norovirus:"
• ""Right now the key part to what we call norovirus season," said Dr. Arnot."
• "Most that are linked to a pathogen are caused by norovirus, which is responsible for an estimated 5.5 million infections a year."