The UK Health Security Agency has issued guidance
Health authorities have issued a serious warning about the rapid transmission of a vomiting bug after a cruise ship carrying hundreds of British tourists was struck by an outbreak.
The UK Health Security Agency warned that norovirus – commonly known as the winter vomiting bug – can be contracted at any time of year and spreads with particular ease in enclosed, close-contact settings. The alert comes in the wake of a major incident in Bordeaux involving the cruise ship Ambition, which had approximately 1,700 passengers and crew on board, amongst them more than 1,200 British and Irish holidaymakers.
Between 50 and 60 people on the vessel were struck down with vomiting and diarrhoea, with passengers effectively confined to the ship while health checks were conducted – leaving hundreds of Brits stranded on board. In a separate incident, more than 100 passengers and crew fell ill on another cruise liner, highlighting just how swiftly the bug can tear through ships where people share communal facilities.
The UKHSA noted that such environments – including cruise ships, hospitals, care homes, schools and nurseries – are particularly susceptible to transmission. Norovirus is an extremely contagious stomach bug that triggers sudden bouts of vomiting and diarrhoea. Some sufferers also develop a high temperature, stomach cramps and aching limbs. Symptoms typically emerge between 12 and 48 hours after infection and, while deeply unpleasant, most people make a full recovery within two to three days without requiring medical treatment.
However, health officials warn the virus spreads with alarming ease. People can pass it on before symptoms emerge and even after they have subsided, making self-isolation absolutely essential. Health guidance advises that people should remain at home and stay away from work, school or preparing food for others until at least 48 hours after symptoms have cleared.
The virus is also capable of surviving on surfaces for days or even weeks, enabling it to spread rapidly should hygiene standards fall short. There is no specific treatment available and antibiotics are ineffective, as norovirus is triggered by a virus rather than bacteria. Instead, those affected are urged to drink plenty of fluids to prevent dehydration. Those most vulnerable include young children, the elderly and people with compromised immune systems.
The NHS recommends strict hygiene measures, including thorough handwashing with soap and warm water, as alcohol-based hand sanitisers are unable to kill the virus.
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