The online portal for the vaccine rollout for 60-69 year olds is open, but it's been criticised by some for being clunky and cumbersome.
Katherine O'Keefe, Director of training at Castlebridge and co-author of their book on Data Ethics explained why a system like this takes 39 steps, and the kind of information that it will provide the HSE.
Sheila was one of those who logged on soon after 10am, and she described her experience with the system.