For nearly three decades, William Heyward has been on the forefront in the fight against some of the world's deadliest communicable diseases. HIV/AIDS, Ebola, haemophilius influenzae, hepatitis B, and hepatic cancer are among the many illnesses he has focused his attention on in places as far-flung as Zaire, Alaska, South America and Thailand. Dr. Heyward has lived on the leading edge of research on the causes, effects and prevention of devastating diseases among some of the world's poorest area - October 12, 2007
