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Reports indicate infections are around 47% higher than in December, raising concerns among health officials about continued transmission through winter.
The NHS explains that norovirus is a stomach infection that causes vomiting and diarrhoea. While extremely unpleasant, it typically clears up within about two days.
According to the UK Health Security Agency (UKHSA), the virus is affecting people of all ages, but older adults are experiencing the most severe impact.

Symptoms of norovirus can include: