COVAX has vaccines on order, and is optimistic it will secure its initial target 1billion doses
But if course it needs so much more.
And if the virus continues to spread essentially unchecked elsewhere in the world, then we will not be able to lift international restrictions and most holidays be be out. Because reintroducing a vaccine resistant new strain would be out. Once low level globally, that becomes a much more tolerable level of risk.
And of course it's morally wrong to leave the poorest to have their economies and societies wrecked