Here's what you need to know about norovirus, or the stomach flu. According to the CDC, "norovirus is a very contagious virus" that causes acute gastroenteritis, an inflammation of the stomach or intestines and leads to vomiting and diarrhea.

Norovirus infections can occur at any time of year, but they tend to peak during the colder winter months—that happens every year. It is important to note that we do not know

Cases of norovirus, a highly contagious stomach bug, are surging in parts of the United States this winter, according to government data.

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

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.