Once norovirus is circulating, it can quickly become an outbreak.

This time of year is prime season for these fast-spreading illnesses.

Norovirus is ripping across Northern California as dozens are falling sick with horrific symptoms. The “extremely contagious” ...

More than 150 people were sickened by a norovirus outbreak while on a Caribbean cruise. The virus spread aboard the Star Princess, making 104 passengers and 49 crew members ill, the Centers for ...

Running to the bathroom with vomiting, diarrhea, or both is never fun. Yet “stomach bugs” are a common part of life, and norovirus is often behind these outbreaks. Norovirus is a highly contagious ...

Norovirus, the infamous "winter vomiting disease," is surging again across the United States. Norovirus is a highly contagious stomach bug that causes sudden, often violent bouts of diarrhea and ...

Norovirus, also known as the winter vomiting bug, has officials at the Pyeongchang Games scrambling to stop its spread. The bug apparently began spreading when private security workers at the games ...

Cases of the uber-contagious stomach bug, norovirus, surge every winter. The highly-contagious (and serious) illness is notoriously unpleasant, so figuring out how to treat a stomach bug fast can go a ...

Some clams sold in restaurants and stores in California and eight other states are under a recall due to potential norovirus contamination.

Pediatricians at Penn State Health Golisano Children's Hospital are seeing viral upper respiratory infections, flu and RSV.