Norovirus, the highly contagious stomach bug that causes vomiting and diarrhea, is spiking across the US. What to know about ...

Medically reviewed by Kumkum Sarkar Patel, MD Burning diarrhea refers to loose or watery stools that cause a painful burning ...

Norovirus: Norovirus, often referred to as the stomach flu, is a highly contagious virus that causes gastroenteritis, leading ...

U.S. outbreaks this year are more than double what they were at the same time last year with the stomach virus causing ...

STATEN ISLAND, N.Y. — Norovirus, also known as the stomach flu, rang in 2025 in a big way across the United States, and ...

A nasty stomach bug has been spreading across the country, including California, in recent months — leaving people feeling nauseous, achy or worse.

The norovirus (commonly known as stomach flu) is surging with levels not seen in more than a decade. Public health officials are warning that we might soon have a "quad-demic" on our hands.