will apply to each area for at least two weeks before they are up for review.The new tiers are stricter versions of the ones that were in place before the four-week national lockdown was introduced on November 5.Prime Minister Boris Johnson said on Monday that the previous tiers “weren’t quite enough”.He said: “Without sensible precautions, we would risk the virus escalating into a winter or new year surge.“We’re going to go back instead to a regional tier approach, applying the toughest measures where Covid is most prevalent.”Among the criteria used to select which area goes into which tier were infection rates and trajectories, R numbers and projected pressures on hospitals.To see which tier you are in, and what the rules are for where.
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