April 6, 2020

This Week in U-M History — April 6-12

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Massive field trials conducted by U-M led to the April 12, 1955, announcement that a polio vaccine was safe and effective.
Massive field trials conducted by U-M led to the April 12, 1955, announcement that a polio vaccine was safe and effective. Read about some of the other things that happened in U-M history during the week of April 6-12. Click the photo and expand your browser window to view a larger version.
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