Scientific calculations suggest the world will be battling the coronavirus pandemic head on for another seven years. It's believed that with the current rate of vaccinations, up to 75 per cent of people will have been jabbed by 2028.
This suggests it will take until then for the global population will have reached a degree of herd immunity - which should lead to the virus being suppressed.
Bloomberg's vaccination calculator also reveals that the United States could potentially reach herd immunity by as early as New Year's Day of 2022.
The UK is hoping to vaccinate every adult by the end of August this year and has been one of the countries at the forefront of the jab rollout.