The jab is the third to be authorised by the European Medicines Agency and will be given in two doses up to 12 weeks apart.
It means it can be administered to all adults, despite German experts advising not to give the jab to those aged 65 or over.
The EMA says there aren't enough results yet to show how well it will work in older adults, but that protection is expected.
Local TD's Bemoan Fianna Fáil's And Fine Gael's Cataclysmic Level Presidential Disasters
Trio of Wicklow Writers Earn Nominations For Irish Book Awards
Gardaí Warn Of Rising Email And Retail Scams In Wicklow
Minister Meets Arklow Merck Staff as Closure Talks Continue
Bray Teen’s Bail Revoked Over Breaches Linked to Local Man’s Death