Is There A Stomach Bug Going Around July 2024 Mumbai. The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or parasite. Norovirus is a stomach bug that can cause moderate to intense nausea, vomiting and diarrhoea.

The centers for disease control and prevention (cdc) is reporting significant norovirus activity across the country, especially in the west. Norovirus, also called the winter vomiting bug, is a stomach bug that causes vomiting and diarrhoea.