JCVI has said the vaccine should then be offered to all aged 75 and over, before moving on to everyone aged 70 and over.
At the same time the vaccine should be offered to clinically extremely vulnerable (CEV) patients, as evidence suggests they are as at much risk of serious illness as people in their 70s.
However, it has now emerged that the chief executives of the Belfast, South Eastern, Southern, Northern and Western trusts Cathy Jack, Seamus McGoran, Shane Devlin, Jennifer Welsh, and Anne Kilgallen respectively are among those who have received their first Pfizer jab.
The trusts said it had been offered to all staff at all levels since January 4 after front line workers deemed to be most at risk had received their jabs.