Blumberg, Baruch S(amuel) biographical name
(born July 28, 1925, New York, N.Y., U.S.) U.S. research physician. He received his M.D. from Columbia University. His discovery of an antigen that he later proved to be part of the hepatitis B virus, and which causes the body to produce antibodies to the virus, led to blood-donor screening and a vaccine. He shared a 1976 Nobel Prize in Physiology or Medicine with D. Carleton Gajdusek.
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