1955 Salk Vaccine Success

The transcript describes the efforts to combat polio, highlighting the fundraising activities led by celebrities to support the National Foundation for Infantile Paralysis. It details Jonas Salk's dedication to developing a polio vaccine at the University of Pittsburgh. In 1954, Salk announced a potential vaccine, leading to a large-scale test involving 440,000 children. The first to receive the vaccine were Salk's own sons, followed by thousands of others, marking a significant step in polio prevention.

What was the nature of the vaccine that Dr. Salk was testing?

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How many grammar school children participated in the initial vaccine injections?

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