Data from the Centers for Disease Control and Prevention show cases of norovirus, the highly contagious stomach bug, are ...

The stomach flu, or viral gastroenteritis, is a common illness in children that can cause a range of uncomfortable symptoms.

Norovirus is sometimes called the stomach bug. The virus causes symptoms like stomach pain, vomiting and diarrhea.

It takes less than 100 norovirus particles to make someone sick, and infected people can shed billions of viral particles in ...