Stomach Flu Florida June 2024. Norovirus, sometimes referred to as a stomach flu or stomach bug , is a common virus that's highly contagious and spreads through tiny particles of feces or vomit and. The highly transmissible virus, commonly known as the stomach bug, causes gastrointestinal symptoms that can get severe.

Gastroenteritis can be caused by viruses, most commonly norovirus, bacteria and parasites. Here’s what you need to know about how the virus spreads and what to do if you.