Noroviruses associated with acute gastroenteritis in a children's day care facility in Rio de Janeiro, Brazil. Braz J Med Biol Res 37: 321-326. Gomes KA, Stupka JA, Diana A, Parra GI 2008. Molecular ...

Gastroenteritis is extremely common. In Australia there are an estimated 17.2 million cases a year. Noroviruses can cause gastroenteritis by replicating in the gut. (Science Photo Library/Canva) So ...

Foodborne illnesses can be caused by bacteria, viruses, parasites, or chemical substances entering the food chain. Common culprits include Salmonella, E. coli, Listeria, and noroviruses.