“I don’t think this means that Ireland is under pressure to reverse their decision, I think they’ll consider what they’re saying, but Ireland has access to three vaccines at the moment so we can consider who gets what,” Prof Lavelle told Morning Ireland. “What they did was they looked at the immune responses [to the AstraZeneca vaccine], so they looked at the T cell and B cell responses in that trial across all age sectors and found that they were comparable in under 65s and over 65s. It’s not certainty, but in their minds it was predictive that it would be effective in over 65s.