The HSE National Director for the vaccine roll-out has urged people to be "patient" with pharmacies with regard to booking vaccine appointments, and pharmacies ability to offer vaccines.
Speaking on RTÉ's News At One programme, Damien McCallion said that there are "limited supplies" of the one-shot Janssen (Johnson & Johnson) vaccine, as well as the AstraZeneca vaccine.
Mr McCallion also said that the HSE is anticipating confirmation over the weekend of additional supplies of the AstraZeneca vaccine, adding that 280,000 doses of the Janssen vaccine are expected in August.
It comes after Minister for Health Stephen Donnelly earlier announced an expansion of the vaccination roll-out programme to younger people, which will see the 18-34 age