Norovirus can come on suddenly as it has an incubation period of 12 to 48 hours. Symptoms include vomiting, diarrhoea, abdominal pain, a high temperature, headache and aches and pains.

Each year, the Sunday Times creates a league table comparing the performances of secondary schools in the UK, in what it dubs its ‘Parent Power Guide’. The new 2025 edition was released this month, ...