The HSE says there are very short queues at the City Hall walk-in vaccine booster clinic which will be open until 8pm.
The clinic at the Primary Care Centre in Mallow is open until 4:15pm.
Meanwhile walk-in boosters will be available for over-40s at three centres tomorrow.
City Hall will be open from 8am to 8pm, the Primary Healthcare Centre in Mallow will be open from 9:15am to 4:15pm and the Primary Care Centre in Bantry will be in open from 9:30 to 4pm.