Stomach Bug 2024 Map India. The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or parasite. The virus when reaches the stomach causes inflammation in the lining of the stomach and intestines.
One in particular that seems to creep up every few years is back, and itโs infamous. Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and.