New Stomach Bug 2024. Cases of norovirus or the stomach bug are rising in 2024. Norovirus is a very contagious virus that causes vomiting and diarrhea.
Norovirus, also called the winter vomiting bug, is a stomach bug that causes vomiting and diarrhoea. It is sometimes called the stomach flu or the stomach bug. however, norovirus illness is not related to the flu.