Gilead Sciences is one of the great success stories in the Biotech / Pharmaceutical industry. It has produced 11 drugs for the treatment of HIV/AIDS. I remember the day when HIV was spreading like wildfire and the medical industry had nothing to offer. A diagnosis was as good as a death sentence. Now people with HIV can live long normal lives. The company has produced 6 drugs for the treatment of 2 distinctly different liver diseases Hepatitis B & C. Hepatitis B is a chronic disease that causes problems with the gastrointestinal tract, belly pain jaundice and reduces the desire to eat. Hepatitis C has similar symptoms and causes fatigue as well. Both of these diseases are caused by a virus. Unlike most medical treatments of chronic diseases, GILD's treatments for Hepatitis actually cure the disease. The company also produces 3 for the treatment of cardiovascular disease, 2 for the treatment of respiratory ailments, a drug for the treatment of Cystic Fibrosis, one for Fungal infections one for Macular degeneration and even one of Influenza A & B.