Who will we sacrifice to get out of lockdown? Return to normal life by Easter depends if No10 will accept immunising only a fraction of the 31million most vulnerable people and giving up on herd immunity
Experts say lifting lockdown rules will be a risk whenever it happens and it must be a political decision
There are around 31million people on the vaccine priority list, each of whom must get two doses of a jab
But rules could be loosened before the list is complete is ministers can tolerate risk of pressure on the NHS
The highest risk group, of over-70s, those with health conditions and health workers, make up some 10m