Stomach Flu Outbreak 2024 Uk. Norovirus, also called the winter vomiting bug, is a stomach bug that causes vomiting and diarrhoea. Britain is in the grip of a gastric flu outbreak which has spread from hospitals in scotland to the south coast, health chiefs said today.

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. You might also get a headache, high temperature and feel.