Stomach Bug Map 2024. Here's what to know about symptoms and the spread. In this case, a virus causes the stomach.
Recorded norovirus cases for this time of year are at their highest level in five years, according to data published by the uk health security agency (ukhsa). The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or parasite.
