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Dr. Thomas Francis and Dr. Jonas Salk

Fri, 07/15/2016 - 9:56am

Dr. Thomas Francis and Dr. Jonas Salk image
Description

Dr. Thomas Francis from the University of Michigan and Dr. Jonas Salk, vaccine developer, announce the success of polio vaccine in field trials in April 1955 in Ann Arbor, Michigan.

Rights Held By
Ypsilanti Historical Society
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Subjects
Ypsilanti Gleanings