Stomach Flu Outbreak 2024 News. In this case, a virus causes the stomach flu, and. The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or parasite.
As we enter spring, cases of norovirus are beginning to rise, including an outbreak on a cruise ship. Outbreaks of norovirus, which causes vomiting and diarrhea, are on the.
