The R number had fallen slightly from 0.7-1.1 last week, and in England the rate was estimated to be at 0.7-0.9.
"These estimates mean we are now confident the epidemic is shrinking across England, though it remains important that everyone continues to stay at home in order to keep the R value down," the health ministry said in a statement.The UK growth rate was estimated at -5% to -2% , compared to -5% and 0% last week, meaning the number of new infections was shrinking by up to 5% every day.