Stomach Bug November 2024 Uk. — gastric flu, also known as winter vomiting disease, is caused by a contagious virus that results in projectile vomiting and diarrhoea. It can be very unpleasant, but usually goes away in about 2 days.
— norovirus is a stomach bug that causes vomiting and diarrhoea and usually passes in two days, although some people can end up needing hospital treatment. — 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.