The HSE will today continue to finalise an accelerated Covid booster programme, which will involve a huge redeployment of staff.
It will also include more vaccine centres, extended opening hours, and details of when over-40s can get an extra dose.
About 236,000 people got a one-shot Johnson and Johnson jab in the summer, including a huge number of people in their 20s.
Former director-general of the HSE, Tony O’Brien, says they should be prioritised before older age-groups: