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Greece has extended a nationwide lockdown – imposed last month to contain a surge in new coronavirus cases – to 14 December.
The lockdown, the country’s second since the pandemic began, was extended by a week.
England’s Covid-19 test and trace system has stopped trying to contact under-18s separately to ask them to self-isolate if a parent says they will tell their child, helping to boost the proportion of contacts of cases successfully traced.
After weeks near a record low of around 60% of contacts of positive cases being successfully traced, 72.5% of the 246,604 people identified as a close contact of someone who tested positive for Covid-19 in the week to 25 November were reached.