The National Immunisation Advisory Committee is to look at whether age restrictions should be placed on the AstraZeneca vaccine.
It's due to meet this morning after the European Medicines Agency listed blood clots as a rare side effect.
The Health Products Regulatory Authority has been notified of 18 reports of blood clots here, possibly associated with the vaccine, but none of the very rare kind.
Health officials say the benefits of getting the injection still outweigh the risks.
The UK has decided to offer under 30s an alternative to the AstraZeneca vaccine due to the very rare complications.
Health Minister Stephen Donnelly says the EMA hasn't made a recommendation on that: