plans for a tougher three-tier system when the national lockdown ends on December 2. Alongside the tiers, developments in vaccines, testing and treatment should enable 'life to begin to return closer to normal', Mr Johnson said."By the spring, these advances should reduce the need for economic and social restrictions", he said."We should be able to render obsolete the very notion of a COVID-19 lockdown."But he warned the months ahead 'will be hard, they will be cold, they include January and February when the NHS is under its greatest pressure'.Here are the three key factors of the Prime Minister's 'route back to normality' in his winter plan:Positive results have now come from three different vaccine candidates.The Oxford University.
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