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If you have stomach flu, your gastrointestinal system is being attacked by a virus, parasite or bacteria. It could be a result of food poisoning, the norovirus or the rotavirus, causing you to vomit and have diarrhoea.
If you have stomach flu, your gastrointestinal system is being attacked by a virus, parasite or bacteria. It could be a result of food poisoning, the norovirus or the rotavirus, causing you to vomit and have diarrhoea.