The first appointments for those aged between 65 and 69 for the AstraZeneca vaccine will be scheduled from tomorrow.
So far more than 77,750 people have registered with the Health Service Executive portal to receive a Covid-19 vaccination.
19,000 registrations were completed yesterday from people aged 67 years old, while from today people who are 66 can register to get a vaccine.
Appointments can be made through the HSE website or by calling the HSE on 1850 24 1850.
The aim is to have those aged between 60 and 69 vaccinated with the first dose by the end of May.
Overall, 26 vaccination centres will open across the country by the end of next week.
HSE Chief Executive Paul Reid said the vaccination programme is reaching an ”exciting phase”.
Hospitalisations are stable and there have been no new admissions to ICU in the last 24 hours.
420 new cases of Covid-19 were reported yesterday.
The five-day average for new cases is 386, a slight increase in recent days.
Latest coronavirus stories