The UK Health Security Agency has issued a health warning
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.
Viral bugs sweep quickly
Health 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.
Food poisoning danger
Bacterial infections are another major driver of illness, often linked to food poisoning. Campylobacter – commonly found in undercooked poultry – is among the most frequent causes globally, while salmonella can lurk in eggs, meat and even vegetables exposed to contaminated water.
Meanwhile, E. coli infections can range from mild to severe, with some strains capable of causing serious kidney complications. Shigella, another bacterial infection, can trigger severe – sometimes bloody – diarrhoea and is linked to poor hygiene and contaminated food or surfaces.
Hidden risks in water and animals
The watchdog also highlighted parasitic infections such as cryptosporidium, which can spread through contaminated water, swimming pools and contact with farm animals.
Young children are particularly at risk, especially during visits to petting farms or rural attractions.
What to do if you’re struck down
UKHSA said most cases can be managed at home – but stressed the importance of staying hydrated. People are advised to rest, drink plenty of fluids and avoid fatty or spicy foods while unwell.
Symptoms typically last up to a week for diarrhoea and a couple of days for vomiting – but medical advice should be sought if they persist or worsen.
Simple steps to stop the spread
To reduce the risk of infection, households are being urged to:
- Wash hands thoroughly with soap and warm water – not just alcohol gels
- Clean surfaces with bleach-based disinfectants
- Stay off work or school until symptom-free for at least 48 hours
- Avoid visiting hospitals or care homes during this period
- Steer clear of swimming pools for at least two days after symptoms end
Health officials warned that good hygiene remains the best defence against these highly infectious bugs – particularly as multiple strains circulate at any given time. More details can be found here.
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