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

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

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, ...

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

"Shellstock, or raw, live molluscan shellfish such as oysters and clams contaminated with norovirus can cause illness if ...

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 ...

FDA Recalls Raw Oysters and Clams in 9 States, May Spread Norovirus Despite Looking ‘Normal’ ...

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

Food containing norovirus may smell and taste normal but still cause serious illness if consumed, FDA warns.