KnowraNorovirusLinked fromLinked fromThe 5 pages that link to Norovirus, each with the reason it gives.All 5Broader topic 3Related 2Fecal–oral routeBroader topic: Its low infectious dose and environmental persistence facilitate foodborne and person-to-person spread.DiarrheaBroader topic: It is a frequent cause of sudden outbreaks of infectious diarrhea.GastroenteritisBroader topic: It is a leading cause of sudden outbreaks of gastroenteritis in people of all ages.