Vaccinations at City Hall Cork City on Saturday 14th Auguest 2021. 15-year-old Donal O'Sullivan from Ballinspittle was delighted to receive his first jab on Saturday. Pic: Larry Cummins. Register to get a free COVID-19 vaccine Who can register? Parents or guardians of 12 to 15 year olds can now register for their children. 12 to 15 year olds cannot register themselves. If you are 16 or older, you can still register if you haven't already. Everyone will be offered either the Pfizer/BioNTech or Moderna vaccine.