norovirus

plural noroviruses

1. biologyNorovirus, the genus of Norwalk virus, which causes gastric distress in humans.

   The norovirus causes nausea, vomiting, diarrhea and stomach cramping.

   2 more examples

   Norovirus outbreaks are rising across the United States; it is impressively contagious: The virus spreads rapidly, symptoms appear suddenly, and the virus can survive on surfaces for days to weeks.

   2025 January 7, Alexandra Sifferlin, “America Needs a Norovirus Vaccine, Now”, in The New York Times, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 07 Jan 2025

   Almost 100 people came down with norovirus aboard a Royal Caribbean ship amid a 13-day voyage, the Centers for Disease Control and Prevention reported earlier this week. […] There have been 19 norovirus outbreaks on cruise ships so far this year, according to the C.D.C. Last year, there were 18 for the entire year. In 2023, there were 14 — the highest level in a decade.

   2025 October 2, Claire Fahy, “Norovirus Outbreak Sickens Nearly 100 on Royal Caribbean Cruise”, in The New York Times, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 02 Oct 2025