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.
GP Shortages in Wicklow AS Patients Struggle for Access During Flu Season
Wicklow Added to Status Orange Wind Alert from 7am Tuesday
World Class Brittas Bay Golf Links Set To Close For 18-Month Long Renovation
Wicklow TD Champions ‘Shop Local’ Push For A Festive Boost
Gifted Stitches A Future Plan For Wicklow's World-Record Knitted Map