New Stomach Bug 2024 In India. The most common symptoms of norovirus are diarrhea, vomiting, stomach pain, and nausea. Norovirus, the highly contagious stomach bug that causes vomiting and diarrhea, is still spreading in the united states.

When people think they have the stomach flu or a stomach bug, it’s probably norovirus, the agency added. A new stomach bug is on the rise in the uk and the us.