There has been a "worrying" surge in coronavirus cases across England but infection rates among young children are falling, new official data shows.
According to the latest weekly surveillance report from Public Health England, Covid-19 case rates are continuing to rise in all regions of England.
Rates remain highest among 30 to 39-year-olds, Public Health England said. The rate in this age group stood at 557.5 cases per 100,000 people in the seven days to December 27, up week-on-week from 495.4.
Among 20 to 29-year-olds, the rate rose from 498.6 to 539.5, and for 40 to 49-year-olds it rose from 465.9 to 527.3. Rates fell slightly among five to nine-year-olds, 10 to 19-year-olds and people aged 80 and over.