Everything you (n)ever wanted to know about the dreaded winter vomiting bug

Abi Jackson takes us through the symptoms and signs of norovirus, how to prevent it and how to deal with it.

Virus particles enter the body through the nose or mouth, travel to the stomach, but it’s only when they hit the small intestine that they start multiplying and irritating the gut lining — then the vomiting and watery diarrhoea strikes.

“This is the body saying, ‘Get it out, clear it, clear it, clear it!” says Dr Roger Henderson.