The Johnson & Johnson and AstraZeneca vaccines have been given the all-clear for use in people aged over 50.

Pregnant women will also now be prioritised for vaccination, while healthy people under 50 who have been infected with COVID-19 in the last six months will require only one vaccine dose rather than two.

But has the government got it right with this new rollout plan?

Professor Luke O'Neill, Immunologist at Trinity College Dublin and author of Never Mind The Bollocks, Here's The Science, joined us with his view.