Barretstown camper Katie Mai (5), with her brothers  Charlie (7) and Jack (9)  with Katharine Jensen, head of corporate responsibility and executive director of the Vertex Foundation (2nd left) and Barretstown chief executive Dee Ahearn, Photograph: Jason Clarke

Vertex, the US pharmaceutical company whose Orkambi has been a breakthrough drug for Irish cystic fibrosis patients, is donating €250,000 to Barretst(...)