It has been a rollercoaster week for Donncha O’Callaghan. He playing his last game for Munster, visited south Sudan where he witnessed both joy and terror, before tearing himself away from a rugby team he loved with all of his heart to plan a new beginning in a different environment at the age of 36.

It’s nearly 60 years since the polio epidemic struck fear into the heart of middle Ireland. It’s still not over, says Aileen Lee, for the hundreds of sufferers still affected by the disease