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

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, ...

Norovirus, also known as the “winter vomiting disease,” has been surging in parts of California and around the country in recent weeks, according to wastewater data. WasteWaterSCAN, a Stanford ...

Oyster and clam virus risk recall spans California and eight other states.

Some seafood products sold to California businesses were recalled over concerns they may be contaminated with the highly contagious norovirus, according to the FDA.

A norovirus particle is pictured in this 3D illustration by Jessica A. Allen for the U.S. Centers for Disease Control and Prevention, shared via Wikimedia Commons. CDC / Jessica A. Allen, Illustrator: ...

The Food and Drug Administration said the recall involves certain clams and oysters distributed in nine states, including California, Georgia, and Florida.

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

A highly contagious stomach virus with no real treatment is spreading rapidly across the United States. From Aug. 1 through Nov. 13, there were 153 norovirus outbreaks reported in 14 states, according ...

Raw oysters and clams distributed in at least nine states have been recalled because they may be contaminated with norovirus.

Norovirus, also known as the “winter vomiting disease,” has been surging in parts of California and around the country in recent weeks, according to wastewater data. Norovirus is more common in the ...