Stomach Bug Going Around 2025. Norovirus is extremely contagious, and, as anyone who has had it can tell you, extremely unpleasant. Norovirus, a highly contagious stomach bug that causes diarrhea and vomiting, is on the rise across the united states.
Norovirus, sometimes referred to as a stomach flu or stomach bug, is a common virus that’s highly contagious and spreads through tiny particles of feces or. But another common virus could be causing your symptoms.