Small pox is often referred to as the “great success story” and yet the vaccine had very little to do with eradication. Only 10% of the world’s population received the vaccine. In a June 19-20, 2002 meeting in Atlanta Georgia after 911 when the government was debating to bring back the small pox vaccine, Advisory Committee on Immunizations Practice said, “Small pox would have died out on its own due to improved sanitation, improved water supply and improved nutrition.”