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Salk Vaccine Announcement (1955) 
“The vaccine works. It is safe, effective, and potent.” With these words and in this auditorium, on April 12, 1955, Thomas Francis, Jr., of the University of Michigan School of Public Health, announced the results of a poliomyelitis vaccine field trial on 1.8 million children across the nation. He had organized and conducted this giant study to test the efficacy of a vaccine developed by Dr. Jonas Salk at the Virus Research Laboratory at the University of Pittsburgh. Dr. Salk was a research grantee of the March of Dimes, which was founded by President Franklin D. Roosevelt. The announcement marked the successful culmination of a nearly $8 million campaign by the March of Dimes and its long-time Director, Basil O’Connor, to conquer that dreaded childhood disease, poliomyelitis. |
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