Ireland is to buy one million vaccines from Romania, it has been revealed.
It comes after an agreement was reached in principle between the Taoiseach Micheál Martin and the Romanian President Klaus Iohannis.
The deal, which was struck on Friday morning, has yet to be fully finalised.
This means details such as delivery information and dates are not yet available.
But a spokesperson for Mr Martin says work is ongoing to secure further supply from other EU countries that might have a surplus.
Ireland's vaccine rollout looks to accelerate, with younger people being able to receive a Johnson & Johnson vaccine in pharmacies from Monday.
Health Minister Stephen Donnelly earlier confirmed the "significant acceleration" of the vaccine programme that younger cohorts can begin to access the one-shot Janssen vaccine in pharmacies in just a few days' time.
It comes after the National Immunisation Advisory Committee (NIAC) reduced the age limit on the two adenovirus-based jabs.
While the head of the HSE, Paul Reid, says people who were due to be vaccinated later this summer may now be offered vaccines in July.
He The Hard Shoulder on Thursday it would mean all vaccines could be administered quicker than anticipated.
"What would have potentially happened if we didn't have this option is we would have had a supply of Janssen and AstraZeneca that we couldn't utilise.
"So it does give us an option to utilise that now.
"What we've just briefed the Minister on... it does set out and does facilitate us bringing forward the completion of the vaccination programme by a period of a few weeks."
Additional reporting: Jack Quann