Boris Johnson should only start easing Covid restrictions when cases fall by 93%, a top NHS figure has warned. NHS Providers chief executive Chris Hopson made the dire prediction as the Prime Minister prepares to present a “roadmap” out of lockdown.The announcement will be made on Monday, February 22, outlining the timeline for a gradual return to normality.The most recent figures suggested that 695,400 people in England had coronavirus in the week ending February 6.NHS Providers chief executive Chris Hopson said there was a "pretty clear view" that "that number needs to come down to around 50,000" – a 93% drop in infections.