Ciro de Quadros, M.D., M.P.H., is the Executive Vice-President of the Albert B. Sabin Vaccine Institute. A Brazilian national, he has dedicated his career to freeing the world of infectious diseases, especially those that disproportionately affect the health and social development of the world's poorer countries. A pioneer in developing effective strategies for smallpox surveillance and containment, de Quadros served as the World Health Organization's chief epidemiologist for smallpox eradication on Ethiopia in the 1970's. Following the global eradication of smallpox, he became the regional...