At The Spectator’s data hub, updated daily, we keep track of the situation here and around the world. There have been several milestones recently: antibody levels hitting 55 per cent amongst the general population and above 85 per cent for pensioner-aged (who account for the vast majority Covid deaths).Vaccination is paying off: the below graph shows a breakdown by age group. The under-65s are in red.The UK vaccine rollout has been in the world’s top five. And for all its recent troubles, AstraZeneca has shown in real-world tests to be every bit as effective as suggested in trials — as...