As Covid Plan B measurements come into place, and cases of the Omicron Covid variant skyrocket, many have been scrambling to get their booster vaccines ahead of Christmas.
Since the government made booster jabs available for all adults - who have had their second jab no less than three months ago - the National Booking Service and vaccination centres have seen record waiting times and long queues.
But many people are wanting to know just how effective their booster vaccine will be against the new Omicron strain. The highly transmissible variant is spreading faster than any other seen in the UK and is expected to overtake Delta as the dominant strain within a matter of days. Read more:Strictly's AJ vomited in pain after suffering horror