the "significant" vaccination "milestone" of 15m people.The PM said: "If we can keep this pace up, and if we can keep supply steady, and i hope and believe we can.
Then we hope to offer a vaccine to everyone in the first nine priority groups including everyone over 50, by the end of April."At the same time we will be giving second doses to millions of the most vulnerable."This moment is a huge step forward, but it is still only a step.