Britain needs to impose a three-week period of national lockdown restrictions immediately to stop cases of Covid-19 spiralling, government scientific adviser Jeremy Farrar said, adding that current regional measures would not be effective.
"The current tiered restrictions will not bring the transmission rates down sufficiently or prevent the continued spread of the virus," he said.
"A three-week period of nationally increased restrictions, with the right levels of financial support, will allow us to reset before winter, stop transmission spiralling, protect and prepare health services, give time to get the test-trace-isolate systems fully functional, and save lives," he said.
Farrar, who