Norovirus, which causes sudden vomiting and diarrhea, has seen a surge in recent weeks. It spreads quickly and can run through an entire family.

The number of norovirus cases is increasing across the US, but there are ways to reduce your chances of infection and stave off dehydration and other symptoms.

Norovirus is known to cause some pretty nasty symptoms, but there are steps you can take to stay healthy and things you can do to feel better if you do get sick. Here’s what to

In recent months, the U.S. and the Bay Area have seen a significant increase in norovirus cases, marking the highest outbreak levels in over a decade.

Reported cases of norovirus — a brief, but miserable illness — have generally been rising across the country in recent months, according to national data, but people can help protect themselves by practicing good hygiene.

The CDC says a new strain of norovirus now makes up a majority of outbreaks and that could be why it's spreading so quickly. Stephanie Stahl reports.