Rotavirusandnorovirusinfections are common causes of stomach flu, clinically referred to asviralgastroenteritis.
In terms of causes, however, there are a few key differences.
Noroviruses are spread by thefecal-oral routewhen viruses shed in the feces are somehow ingested through the mouth.
FG Trade / Getty Images
Additionally, droplets of norovirus arising from vomit can also be inhaled, leading to infection.
When Are You Contagious?
People are most contagious with norovirus when symptoms arise and about three days after theyve subsided.
Some are contagious for up to two weeks after recovery.
Like norovirus, rotaviruses are transmitted via the fecal-oral route.
As such, diagnostic approaches for these viruses largely line up.
Heres a quick breakdown.
Theyll also want to know about your medical history and any medications youre taking.
Adigital rectal exammay be needed if theres blood in the stool (feces).
Youll be asked to leave a stool sample in a special container and send it off for laboratory analysis.
Using genetic tests, clinicians detect signs of rotavirus or norovirus.
Over-the-counter medications, such as Imodium, Pepto-Bismol, and probiotics can also help with symptoms.
Prevention of this condition primarily involves extra effort in handwashing, cleaning surfaces, and safe food handling.
Staying hydrated and getting rest is usually sufficient for taking on the symptoms of infection.
National Institutes of Health.Viral gastroenteritis (stomach flu).
Centers for Disease Control and Prevention.Rotavirus clinical information.
Centers for Disease Control and Prevention.About norovirus.
Centers for Disease Control and Prevention.Norovirus in healthcare facilities fact sheet.
Division of Health Care Quality and Promotion.
National Institutes of Health.Symptoms & causes of viral gastroenteritis (stomach flu).
National Institute of Diabetes and Digestive and Kidney Diseases.
2017;95:66-71. doi:10.1016/j.jcv.2017.08.012
Centers for Disease Control and Prevention.Rotavirus vaccination.
Centers for Disease Control and Prevention.Preventing norovirus outbreaks.
