More than 20 walk-in Covid vaccine clinics are operating across the country this weekend.
The clinics are open to anyone aged over 12, who have yet to receive their first or second dose of the Pfizer jab.
Those aged 12 to 15 must attend with a parent or guardian.
City Hall will be open for walk-ins today from 1pm to 4pm, and tomorrow between 10am and 2pm.
Full details are available on hse.ie.
Latest figures show 88.6 percent of the eligible population, aged over 12, is now fully vaccinated.