Boris Johnson’s “Plan B” measures are currently in force in England in the hope of limiting the spread of the Omicron variant of Covid-19 this winter.
At his Downing Street press conferences prior to Christmas, the prime minister warned that the new strain is “growing much faster” than the dominant Delta variant and encouraged the British public to get a booster vaccine as a matter of urgency to tackle waning immunity and keep infections low over the festive period.
