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” virus is sweeping over western San Francisco, Marin, Novato, Palo Alto, ...

A Caribbean vacation took an unpleasant turn for dozens of cruise passengers after a stomach virus spread across their ship.

NEW YORK (PIX11) — Restaurant and food retailers across the United States are being warned of a potential norovirus contamination in seafood that was harvested between Feb. 13 and March 3. Sometimes ...

Pediatricians at Penn State Health Golisano Children's Hospital are seeing viral upper respiratory infections, flu and RSV. UPMC Children's Community Pediatrics reports a stomach bug, flu, ...

Oysters and clams in nine states may have been contaminated with norovirus, the FDA said in a recall. Here's what we know.

Oysters and clams in nine states may have been contaminated with norovirus, the FDA said in a recall. Here's what we know.

The very contagious virus causes vomiting, diarrhea and severe dehydration.

Restaurant and food retailers across the United States are being warned of a potential norovirus contamination in seafood that was harvested between Feb. 13 and March 3.

More than 150 people were sickened by a norovirus outbreak while on a Caribbean cruise.

The shellfish were distributed to restaurants and food retailers in nine states and could cause illness if eaten.