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Thomas Francis Jr. (July 15, 1900 – October 1, 1969) was an American physician, virologist, and epidemiologist who guided the discovery and development of the polio vaccine being worked on by his student Jonas Salk.
- development of vaccine against influenza virus A and B
- Francis Gilman Blake
- American
Mar 4, 2024 · Thomas Francis, Jr. (born July 15, 1900, Gas City, Ind., U.S.—died Oct. 1, 1969, Ann Arbor, Mich.) was an American microbiologist and epidemiologist who isolated the viruses responsible for influenza A (1934) and influenza B (1940) and developed a polyvalent vaccine effective against both strains.
- The Editors of Encyclopaedia Britannica
It was April 12, 1955, and Dr. Thomas Francis Jr., director of the Poliomyelitis Vaccine Evaluation Center at the University of Michigan School of Public Health, was announcing to the world that the vaccine, developed by his former student Jonas Salk, was protective of paralytic polio.
Thomas Francis, Jr. (1900–1969), was the thirty-third president of the American Association of Immunologists, serving from 1949 to 1950. He was the Henry Sewall University Professor and chairman of the Department of Epidemiology of the University of Michigan School of Public Health from 1941 to 1969. Francis gained renown for his studies on ...
Mar 13, 2023 · When Dr Thomas Francis Jr said those famous words in 1955 – “the vaccine is safe, effective and potent” – polio still killed and paralysed millions of people around the world, including in the US. The idea that polio could be eradicated must have seemed a distant dream. But today, we stand on the threshold of realising that dream.
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Biographical Memoirs: Volume 44. Washington, DC: The National Academies Press. doi: 10.17226/567.
Born: July 15, 1900. Died: October 1, 1969. Major Contribution: As director of the Poliomyelitis Vaccine Evaluation Center at the University of Michigan, Ann Arbor, Dr. Francis designed, supervised and evaluated the field trials of the injected inactivated polio vaccine (1954) developed by Jonas Salk.
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