Albert Sabin conducted at Johns Hopkins Hospital in 1992 when Sabin was 86. A year later, Sabin died in Washington, D.C., from heart failure. Sabin refused to patent his vaccine, waiving every commercial exploitation by pharmaceutical industries, so that the low price would guarantee a more extensive spread of the treatment. From the development of his vaccine Sabin did not gain a single dollar, and continued to live on his salary as a professor. Albert Sabin Albert Bruce Sabin (born Abram Saperstein; August 26, 1906 – March 3, 1993) was a Polish American medical researcher, best known for developing the oral polio
David Bruce (microbiologist) discouraged the experiments being carried by Zammit, and doubted his ability as a microbiologist. Eventually, when he learned of the positive results linking the fever with unpasteurized goat milk, Bruce tried to discredit the role of Zammit and take credit to himself. To a certain extent he succeeded, as it was renamed after him as brucellosis, however information about the role of Zammit has eventually surfaced. When he was transferred to South Africa, Bruce was sent to Zululand in 1894 to investigate the outbreak of cattle disease which the native called "nagana". In 1903, he identified the causative protozoan, and