There are a lot of numbers going around about the vaccine roll-out. But there's one to keep in mind: 4.5 million. That’s the number of doses that need to be administered in Ireland by the end of June if the Government’s vaccine targets are to be met.
The targets were set on the assumption that the one-dose Johnson & Johnson vaccine was available for use for all, and the 4.5 million number is based on the same assumption.
If the Johnson & Johnson advice changes, the Government may be forced to provide two-dose vaccines instead, pushing up the total doses needed to achieve the targets.
But, for now, the 4.5 million number is the one to keep in mind. Rounded to the decimal point, 4.5 million doses would give 82% of adults one dose of a