UKHSA 'bad belly' warning as weather turns warmer

UKHSA 'bad belly' warning as weather turns warmerThe UK Health Security Agency has issued a health warningCommentsNewsRory Poulter12:18, 21 Apr 2026View 2 ImagesThe UK Health Security Agency (UKHSA) issued the alert(Image: ingwervanille via Getty Images)Brits are being warned to brace for a “bad belly” bugs as health chiefs have issued an alert.‌The UK Health Security Agency (UKHSA) says stomach illnesses remain one of the nation’s most common complaints - and can strike at any time of year. The agency issued the alert as it urged households to take simple steps to avoid being struck down by vomiting and diarrhoea, which can spread rapidly in close-contact settings such as schools, nurseries and care homes. Officials said the illnesses - known medically as gastrointestinal infections - affect people of all ages and are also a frequent issue for travellers heading abroad.‌At the heart of the warning is a stark message: while most cases pass within days, they can become serious for vulnerable groups including young children, older people and those with weakened immune systems.‌View 2 ImagesBrits are being warned to brace for “bad belly” bugs(Image: manusapon kasosod via Getty Images)Viral bugs sweep quicklyHealth experts say viruses are among the biggest culprits - with the notorious winter vomiting bug, norovirus, leading the charge.Highly contagious, it can spread through person-to-person contact as well as contaminated food and water, with symptoms typically hitting within 12 to 48 hours.‌Although most people recover after a few days, UKHSA warned dehydration can lead to hospitalisation in more serious cases. Other viral threats include rotavirus - a leading cause of severe diarrhoea in babies - and adenovirus, which can trigger stomach upsets alongside cold-like symptoms.Content cannot be displayed without consentFood poisoning dangerBacterial infections are another major driver of illness, often linked to food poisoning. Campylobacter - commonly found i...