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Thomas Francis Jr. 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. Francis was the first person to isolate influenza virus in the United States, and in 1940 showed that there ...
- development of vaccine against influenza virus A and B
- Francis Gilman Blake
- American
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. He also conducted research that led to the ...
- 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. It had been decades since the paralyzing illness had been ...
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Apr 12, 2022 · In the early 1940s, an Army-supported research team at the University of Michigan led by Thomas Francis Jr. and Jonas Salk (of the polio vaccine) developed the first viable flu vaccine. In 1945 ...
- Becky Little
- 6 min
Apr 12, 2021 · On the morning of April 12, 1955, an epidemiologist named Thomas Francis, Jr., took the stage of the Rackham Auditorium, at the University of Michigan, in Ann Arbor. Short and portly, in his mid ...
- Howard Markel
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.
