What Stomach Bug Is Going Around 2024 Delhi. Norovirus, commonly known as the winter vomiting bug (although it can strike at any time of year), is a stomach bug that causes sickness and diarrhoea. The most common way to develop viral gastroenteritis — often called stomach flu — is through contact with an infected person or by consuming contaminated.

Norovirus symptoms typically include diarrhea, vomiting, nausea and stomach pain. Chowti, internal medicine specialist at fortis hospital, bengaluru, on how to prevent and treat it: