People who have already had norovirus, the winter vomiting bug, could be at risk of catching it again this season, experts from the the UK's Health Security Agency say. Data shows a different strain of the virus is on the rise and having had one strain doesn't necessarily protect you from catching another,

Health leaders have warned of a “potential second norovirus wave” – with people catching the vomiting bug more than once.

Certain groups of people are being warned about "severe symptoms" as the UK Health Security Agency issued the latest norovirus statistics this week, with concerns over a "second wave" of the highly contagious vomiting and diarrhoea bug.

Norovirus cases have surged by 25 per cent in the UK over the past month, with health officials now warning of a "potential second wave" of the winter vomiting bug. Fresh figures show that more than 1,