Acute gastroenteritis commonly causes diarrhea and vomiting in children and adolescents, resulting in many outpatient clinic visits, emergency department visits and hospitalizations, often owing ...

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

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. While the virus is ...