A resurgence of Covid cases is under way across the UK, with infections in the over-70s at a record high and school leaders fearing that preparations for A-levels and GCSEs are being disrupted by outbreaks among staff and students.
Based on random swab tests taken in the community, the Office for National Statistics (ONS) estimates that almost 5% of the population in England, or 1,544,600 people, had Covid in the week ending 12 March, and 3.5% of people in the oldest age group. Infections also reached a record high in Scotland, where one in 14 tested positive.
