Coronavirus latest - BORIS Johnson said the tiers system IS working to push the R rate down - as he again rejected another national lockdown.
At a press conference, this afternoon the PM said the R rate was around half of what it would be if there were no rules and restrictions put on the country.
The PM said today: "There are clear signs that our collections actions are working."
He claimed that the R rate was above one "Yes the R is above one, but thanks to the efforts of people of all ages in following the guidance and the rules the R is about half its natural rate" if the virus was allowed to run free.
The PM said again he would not accept arguments to stop all restrictions and rules because "we would face thousands more deaths" and would be unable to isolate the vulnerable.
"An uncontrolled expansion in NHS patients would mean the NHS would have even less capacity to treat heart patients and cancer patients," he warned.
"That's why we reject the laissez fair approach.
"Others who say we need to lock the whole place down, turn the lights out, shut up shop, close schools and universities… I do not believe that is the right course now.
"Not when the psychological cost of lockdown is well know to us, the economic cost and not when… there is such an obvious variation, unlike last time, between different parts of the country."
The country is following a "middle course" instead which is being followed by other countries around the world.
Boris Johnson says tiers system IS working to reduce the R rate as he again rejects national lockdown
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