The US has implemented the sixth-fastest vaccine distribution programme in the world, administering just over 100m inoculations and reaching a quarter of all adults. In terms of the total number of jabs in arms, it is by far the largest rollout in the world so far.
But state and national data analysed by the Financial Times show that the rollout has been uneven, as some governors prioritise speed while others focus on vaccinating older people who are more likely to end up in hospital and die.
