Primary Sources Study by Amy Brown

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Primary Sources Study

Published on Nov 18, 2015

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PRESENTATION OUTLINE

Primary Sources Study

The Polio Epidemic

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Photo by Just Us 3

Photo of rows of people using the iron lung

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In 1953, Jonas Salk developed the polio vaccine and showed others that is was safe by vaccinating his own family.

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Multi-level children's iron lung

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Amy Brown

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