Vertex Pharmaceuticals is a biotechnology company that creates medicines for people with cystic fibrosis, a genetic condition that affects the lungs and digestive system. They have developed several important drugs, like SYMDEKO and KALYDECO, that help patients manage their symptoms. In addition to cystic fibrosis, Vertex is also working on treatments for other serious health issues, such as diabetes and kidney diseases. The company sells its products mainly through special pharmacies and hospitals in the U.S. and around the world.