The President hosted a reception for members and supporters of Cystic Fibrosis Ireland.
Cystic fibrosis is an inherited chronic disease that affects the lungs and digestive system of about 1,200 children and adults in Ireland.
Cystic Fibrosis Ireland is a voluntary organisation set up by parents to improve the treatment and facilities for people with Cystic Fibrosis in Ireland.
You can listen to the President's speech by clicking on the link below.