At least seven cases have reportedly been confirmed.

About 50,000 children are hospitalized annually.

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 is on the rise overall in the United States, federal officials say, even as the West sees a slight dip in reported cases. After peaking in January, cases of the virus were steadily dropping ...

There have been dozens of reports of Pacific Crest Trail hikers in Southern California falling ill to a highly contagious ...

This transmission electron micrograph (TEM) revealed some of the ultrastructural morphology displayed by norovirus virions, or virus particles. Charles D. Humphrey Centers for Disease Control ...