STATEN ISLAND, N.Y. — Norovirus, also known as the stomach flu, rang in 2025 in a big way across the United States, and continues to surge. The highly contagious virus causes vomiting and diarrhea, ...

The data show 91 outbreaks of norovirus during the week of Dec. 5, a sharp rise from the 69 outbreaks recorded the previous week, according to the Associated Press. For context, the first week of ...

Centers for Disease Control and Prevention reported double the cases of norovirus compared to previous years – after outbreaks reported nationwide.