Stomach Bug October 2024 Nz. It can include nausea, stomach pain, diarrhea, vomiting, as well as fever headache and body aches. Commonly called the “stomach bug” or “stomach flu,” norovirus is the leading cause of vomiting and diarrhea from acute gastroenteritis, which is inflammation of the stomach.

Gastro is a bowel infection which causes runny, watery poo and sometimes vomiting. Norovirus is sometimes referred to as the stomach flu, but it is not related to the influenza virus.