Stomach Bug 2024 Ukraine. The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or parasite. The centers for disease control and prevention (cdc) is reporting significant norovirus activity across the country, especially in the west.
What’s more, lots of viruses, like influenza and some others you might not expect, can cause similar. It’s also called the ‘winter vomiting bug’.