Mr Johnson said the roadmap will “guide us cautiously but irreversibly towards reclaiming our freedoms”.
He told the House of Commons: “The threat remains substantial with the numbers in hospital only now beginning to fall below the peak of the first wave in April.”
He praised the contribution of the British public saying, adding: “We are able to take these steps because of the resolve of the British people and the extraordinary success of our NHS vaccinating more than 17.5 million people.”
But the prime minister ruled out quicker lifting of rules any earlier.
When everyone realises the 21st June is a Monday and your working the next day. 🤦🏼♂️ https://t.co/9ycp9DzvTg
He said: “The chief medical officer is clear that moving any faster would mean acting before we know the impact of each step, which would increase the risk of us having to reverse course and reimpose restrictions, I wouldn’t take that risk”
8 March was selected to begin the lifting because it is the target date for all priority groups to receive their first vaccine dose.