Stomach Bug September 2024 Symptoms. Norovirus, also called the winter vomiting bug, is a stomach bug that causes vomiting and diarrhoea. What are the symptoms of stomach flu?

Norovirus, also called the winter vomiting bug, is a stomach bug that causes vomiting and diarrhoea. The most common symptoms of norovirus are diarrhea, vomiting, stomach pain, and nausea.