But he cannot take all the credit for the rollout. It was Donald Trump who launched Operation Warpspeed and signed contracts with a number of different manufacturers, spreading his bets and betting big, early - much in the same way the UK did.
However, the US rollout is slowing. Hesitancy has risen after a pause in the one-shot Johnson & Johnson programme and a tiny number of blood clots associated with AstraZeneca’s jab.
Joe Biden received his vaccine in January
Credit: GETTY IMAGES
At its peak earlier this month, the US was administering 3.2 million doses a day, on average. The latest figures put the number at 2.5 million a day.