Stomach Bug 2024 Map. 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. Cases of norovirus or the stomach bug are rising in 2024.
Norovirus is the most common cause of gastroenteritis worldwide. Norovirus, a highly contagious stomach bug that causes diarrhea and vomiting, is on the rise across the united states.