The CDC says norovirus cases are surging. Plus, the FDA issued an alert related to CA shellfish that may be contaminated with the virus.

Outbreaks of the highly contagious stomach virus are more than double what they were last year, the Centers for Disease Control and Prevention says

A sharp increase in norovirus cases is sweeping the United States, according to the latest data from the Centers for Disease Control and Prevention (CDC). Often called the "stomach flu," norovirus is a leading cause of gastroenteritis,