Up to 950-thousand Covid vaccine doses will be given when clinics finish work today.
People with underlying medical conditions are receiving their jab at the Aviva Stadium in Dublin today.
While GP-led hubs are continuing to operate at the Helix, Munster Technological University in Cork and Merlin Park in Galway.
The head of the HSE says Ireland's millionth dose will be given just a few days from now - with plans to exceed the 7-day record of 120-thousand doses next week.
HSE chief executive Paul Reid says the levels of vaccination are starting to take pressure off our hospitals.