The UK Health Security Agency has issued an alertRory Poulter12:02, 07 Jul 2026People struck down by a stomach bug have been issued updated advice from UK health officials. In a light-hearted social media post, the UK Health Security Agency (UKHSA) offered a memory trick for spelling diarrhoea – "Dash In A Real Rush, Hurry Or Else Accident!" – before directing sufferers to official advice on the causes, symptoms and treatment of stomach bugs.‌Behind the joke, however, is a serious warning. Health experts say gastrointestinal illnesses, which cause diarrhoea, vomiting and stomach cramps, affect people of all ages and are among the most common health complaints in the UK.‌While most cases clear up within a few days, young children, older people and those with weakened immune systems are at g