A nasty stomach bug has been spreading across the country, including California, in recent months — leaving people feeling nauseous, achy or worse.

Norovirus is a “very contagious” virus that causes acute gastroenteritis ... “Children younger than 5 years old, older adults and people with weakened immune systems are more likely to ...

Norovirus is a highly contagious virus that causes painful stomach cramps, nausea, vomiting and diarrhea. It can seem to come ...

Cleaning things like countertops and washing hands can help stop the spread. That can also help keep respiratory viruses from ...

making noroviruses the leading cause of gastroenteritis in adults in the United States. Norovirus is highly contagious and transmitted by infected individuals at an enormous rate. It is simple ...

The latest data suggests 2024 was the worst year for cruise ship-based gastrointestinal outbreaks in over a decade.